SOLUTION: Can you please help me by check my homework and correcting me if i have any wrong! #1 Q: Drawing a red marble from a bag that contains 3 red marbles and 5 purple marbles A: 3/

Question 842404: Can you please help me by check my homework and correcting me if i have any wrong!
#1
Q: Drawing a red marble from a bag that contains 3 red marbles and 5 purple marbles
A: 3/8
#2
Q: Drawing a red marble from a bag that contains 4 red marbles and 5 purple marbles
A: 4/14 = 2/7
#3
Q:A party is to begin at sometime between 8:00 pm and 8:30 pm. Assuming that all times are equally likely, find the probability that the first guest arrives from 8:00 pm to 8:05 pm
A:10/30 = 1/3
#4
Q: A party is to begin at sometime between 8:00 pm and 8:30 pm. Assuming that all times are equally likely, find the probability that the first guest arrives from 8:12 pm to 8:18 pm
A:7/30
#5
Q: A party is to begin at sometime between 8:00 pm and 8:30 pm. Assuming that all times are equally likely, find the probability that the first guest arrives from 8:21 pm to 8:24 pm
A:4/30 = 2/15
#6
Q: If repetition is not allowed how many 4 letter codes can be formed from only 5 letters of the alphabet?
A: 5*4*3*2 = 120
#7
Q: If repetition is allowed how many 4 letter codes can be formed from only 5 letters of the alphabet?
A: 5*5*5*5 = 625
#8
Q: In how many ways can the letters in the word "pencil" be arranged?
A: 6! = 720
#9
Q: Find the number of ways a coach can assign 8 basketball players to 5 distinct positions
A: 8p5 = 6720
#10
Q: Find the number of ways a coach can assign 10 basketball players to 5 distinct positions
A: 10p5 = 30240
#11
Q:Find the number of ways a coach can assign 12 basketball players to 5 distinct positions
A: 12p5
#12
Q: How many arrangements of the letter in the word "tomorrow" are possible
A: 8! = 40320
#13
Q: In how many ways can 5 children be positioned around a merry-go-around
A: (n-1)! (5-1)! = 24
#14
Q: In how many ways can 8 employees be seated at a circular conference table
A: (n-1)! (8-1)! = 5040
#15
Q: Find the number of ways to chose 2 books from a set of 10 books
A: 10c2 = 45
#16
Q: In how many ways can 2 of 27 ice cream flavors can be chosen
A: 27c2 = 351
#17
Q: In how many ways can 3 students representatives be chosen from 100 students
A: 100c3 = 161700
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

#1 A: 3/8 Correct
#2 A: 4/14 = 2/7 Incorrect, should be 4/(4+5)=4/9
#3 A:10/30 = 1/3 Incorrect, 5 minutes between 800 and 805, 5/30=1/6
#4 A:7/30 Incorrect, 6 minutes between 812 and 818, 6/30=1/5
#5 A:4/30 = 2/15 Incorrect, 3 minutes between 821 and 824, 3/30=1/10
RELATED QUESTIONS
A bag contains 3 red, 4 blue, 5white marbles, what are the odds of drawing a red marble... (answered by rfer)

Can someone please help me. I have tried several ways but can�t seem to get the right... (answered by jorel1380)

Please help me. We are working on probability and I am not so good with it. I am not sure (answered by checkley75)

Can anyone help me with this question? If you have a bag of 8 marbles (5 red and 3... (answered by Alan3354)

Please help. picking an ace or a ten from a standard deck of 52 cards and picking a... (answered by stanbon,lynnlo)

hi umm i have this question on my homework and it says (yesterday, a movie theater sold... (answered by Alan3354)

A bag contains 9 pink marbles, 6 green marbles and 14 brown marbles. What is the chance... (answered by Edwin McCravy)

bag contains 8 pink marbles, 5 green marbles and 10 brown marbles. What is the chance of... (answered by Alan3354)

A bag contains eight green marbles,five white marbles,and two red marbles. What is the... (answered by stanbon)