Questions on Algebra: Probability and statistics answered by real tutors!

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 Algebra: Probability and statistics Solvers Lessons Answers archive Quiz In Depth

 Question 21340: a penny is tossed and a number cube is rolled. find the probabilities. 1. P(tails, 4) 2. P(heads, odd number) 3.P(heads, not three) 4. P(tails, 7) Click here to see answer by venugopalramana(3286)

 Question 21485: when you roll a pair of dice what is the probability of a sum of 7 Click here to see answer by josmiceli(9661)
 Question 21485: when you roll a pair of dice what is the probability of a sum of 7 Click here to see answer by fishe20d(2)

 Question 21656: I dont know where to begin with this, please help me! After you complete this exam, you and two friends decide to go to McDonald’s to celebrate. Last month McDonald’s filled 90% of the orders accurately. What is the probability that: a) All three orders will be filled accurately? b) None of the three orders will be filled accurately? c) At least 2 of the 3 orders will be filled accurately? Click here to see answer by longjonsilver(2297)

 Question 21664: what is the probability of drawing 4 aces from a pack of 52 cards? Click here to see answer by 4jsolver(1)

 Question 21777: What is the probability of obtaining a poker hand(5 cards)containing 2 aces? Click here to see answer by AnlytcPhil(1276)

 Question 21888: The following data is for worker output in a plant, for different hours of the day, with a numerical measurement on their production: hour - 1 2 3 4 5 6 7 output - .5 2.6 3.6 4.5 4.9 5.4 5.7 Find the natural logarithmic regression model for this data Click here to see answer by AnlytcPhil(1276)

 Question 22527: A class tossed coins and recorded 161 heads and 179 tails. what is the experimental probability of heads? of tails? Click here to see answer by stanbon(57251)

 Question 22696: A shipment of light bulbs undergoes an inspection where 200 bubls are testes and 6 turn out defective. a.What is the probability that a light bulb in this shipment is defective? b. If the shipment contains 10280 light bulbs, predict how many from the entire shipment will be defective. Click here to see answer by rapaljer(4667)

 Question 21668: Consider the experiment of rolling two fair dice. a. What is the probability that you get either: "snake eyes" of "double boxcars"? b. What is the probability that the total number of points shown on these two dice is a perfect square? c. What is the probability that the total number of points shown on these two dice is a prime number? Click here to see answer by venugopalramana(3286)

 Question 21547: Please help me! i have no clue where to even begin! A statistical analysis of 1,000 long distance telephone calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed with m = 240 seconds and s = 40 seconds. a) What is the probability that a call lasts less than180 seconds? b) What is the probability that a particular call lasts between 180 and 300 seconds? c) What is the length of a call if only 1% of all calls are shorter? Click here to see answer by venugopalramana(3286)

 Question 22312: You get a box of assorted chocolates for Christmas. There are the following types; 8 dark chocolate-coated caramels, 7 milks chocolate-coated caramels,7 dark chocolate-coated nuts, 6 milk chocolate-coated vanilla creams, 8 dark chocolate-coated cherries, 7 milk chocolate-coated strawberry creams. Determine the following probabilitie; of getting 2 dark chocolate-coated cherries in a row and then 5 caramels in a row.''. Click here to see answer by venugopalramana(3286)

 Question 21657: Here's another that i think i know how to do, but am not really sure. please help me out!!! A statistical analysis of 1,000 long distance telephone calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed with m = 240 seconds and s = 40 seconds. a) What is the probability that a call lasts less than180 seconds? b) What is the probability that a particular call lasts between 180 and 300 seconds? c) What is the length of a call if only 1% of all calls are shorter? Click here to see answer by venugopalramana(3286)

 Question 20946: my daughter brought home her homework of sample space: 1 cube rolled twice (36 outcomes) 2 cubes rolled together (21 outcomes) 16 25 = 9 How do you go about retrieving the answer 34 43 52 Click here to see answer by venugopalramana(3286)

 Question 23458: Two dice are rolled.Express a relation in a table for the possible numbers showing on the first die x and the secoind die y if the outcome is two odd numbers whose sum is atleast 8. Click here to see answer by venugopalramana(3286)

 Question 23508: An urn contains four red marbles and five blue marbles. What is the probability of selecting at random, without replacement, two blue marbles? Click here to see answer by longjonsilver(2297)

 Question 24379: From a bag containing 5 nickels, 9 dimes, and 6 quarters, 7 coins are drawn at random all at once. What is the probability of getting 2 nickels, 3 dimes, and 2 quarters? Click here to see answer by JAD95(1)

 Question 24382: In an experiment two six-sided dice are tossed, what is the probablility of not getting a sum of ten? Click here to see answer by askmemath(368)

 Question 24752: three different airlines fly from bowling green to lexington. those same three airlines and two other airlines fly from lexington to louisville. there are no direct flights from bowling green to louisville.. How many ways can a traveler book flights from bowling green to lousivelle? Click here to see answer by stanbon(57251)

 Question 24766: In a group of 30 people, what is the probability that at least 2 people will have the same birthday? Round answer to 2 decimal places. a)0.07 b)0.29 c)0.71 d)0.93 Click here to see answer by Paul(988)

 Question 24776: according to the national center for health statistics, each time a baby is born the probablility that it is a boy is always 51.3% and a girl is 48.7% regardless of the sex of any previous births in the family. suppose a couple has four children. what is the probability they are all grils?? what is the probability there are one gril and three boys Click here to see answer by josmiceli(9661)

 Question 25644: each day the school cafeteria serves 3 sandwiches,4 diffrent drinks,and 5 diffrent types of fruits.if you pick randomly,what is the probability that you will not get a tuna sandwich,an orange juice,and an apple. Click here to see answer by stanbon(57251)

 Question 25772: A baseball coach is determining the batting order for the team. The team has 9 members, but the coach doesnt want the pitcher to be one of the first four to bat. How many batting orders are possible? Click here to see answer by venugopalramana(3286)

 Question 26669: Find the probability of drawing a red card and then a black card from a standard 52 card deck. (without replacement) Click here to see answer by venugopalramana(3286)

 Question 26742: Suppose you toss a coin and roll a die. What is the probability that you toss heads and roll a four? I got 1 out of 6 I got this marked incorrectly could you show me how to do this problem correctly? Click here to see answer by longjonsilver(2297)
 Question 26742: Suppose you toss a coin and roll a die. What is the probability that you toss heads and roll a four? I got 1 out of 6 I got this marked incorrectly could you show me how to do this problem correctly? Click here to see answer by askmemath(368)

 Question 26659: Identify the number of ways seven books can be arranged on a shelf. Click here to see answer by venugopalramana(3286)

 Question 26658: Find the probability of drawing an ace or a face card from a standard 52 card deck. Click here to see answer by venugopalramana(3286)

 Question 26843: Don't get this one :( A bag contains 6 red marbles, 9 blue marbles, and 5 green marbles. You withdraw one marble, replace it, and then withdraw another marble. What is the probability that you do NOT pick two green marbles? Click here to see answer by AnlytcPhil(1276)

 Question 27580: Three coins are tossed. What is the probability of two tails and one head? Click here to see answer by longjonsilver(2297)

 Question 28137: Using a stadard 52 card deck (no jokers) find the probability that one card is picked from the deck, that card is either below a five or it is a red. Click here to see answer by venugopalramana(3286)

 Question 28350: a locker combo system uses three digits from 0 to 9. How many different three digit combos with no digit aare possible? Click here to see answer by venugopalramana(3286)

 Question 28525: hi i need help on this question: five cards are drawn from an ordinary deck of 52 playing cards. what is the probability that the hand drawn is a full house (two of one kind, three of another kind)? I don't even know how to start this problem. Please help! Click here to see answer by venugopalramana(3286)

 Question 28645: hi i need help with this problem. i need help on this question: five cards are drawn from an ordinary deck of 52 playing cards. what is the probability that the hand drawn is a full house? (a full house means three of one kind, three of another like three queens and two nines, etc.) please help! Click here to see answer by stanbon(57251)

 Question 28791: The Columbus Crew are playing the D.C. United in a best three-out-of-five championship soccer series. What are the possible outcomes of the series? How many ways can D.C. United win the championship? Click here to see answer by josmiceli(9661)

 Question 29565: A deck of cards has 6 gray, 5 navy, and 6 yellow cards. You pick 4 cards from the deck. Cards are not returned to the deck after they are picked. P(the first card is not gray, the second card is gray, the third card is yellow, and the fourth card is gray). Click here to see answer by longjonsilver(2297)

 Question 29738: if you roll a cube numbered 0-5 what do you think is the probability that the number showing will be 4? Click here to see answer by stanbon(57251)