document.write( "Question 86797: Hey! I'm new to this whole thing and I am LOST. . I have been out of high school now for 8 years and I am just not grasping some of this. I have a few questions and I hope you can help..\r
\n" ); document.write( "\n" ); document.write( "Here are my choices. Please let me know if I am correct.
\n" ); document.write( "1. D
\n" ); document.write( "2. B
\n" ); document.write( "3. C
\n" ); document.write( "4. C
\n" ); document.write( "5. I have no idea where to begin
\n" ); document.write( "6. I have no idea where to begin\r
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\n" ); document.write( "\n" ); document.write( "Questions
\n" ); document.write( "The numbers 1 to 10 are written on sheets of paper and placed in a hat.
\n" ); document.write( "If one sheet of paper is selected at random then find the following\r
\n" ); document.write( "\n" ); document.write( "***The probability the number is greater than 3
\n" ); document.write( "A. 1/10
\n" ); document.write( "B. 3/10
\n" ); document.write( "C. 8/10
\n" ); document.write( "D. 7/10 I say answer D is correct.\r
\n" ); document.write( "\n" ); document.write( "***The odds the number is a 9
\n" ); document.write( "A. 1:9
\n" ); document.write( "B. 1:10 I think answer B is correct
\n" ); document.write( "C. 1:11
\n" ); document.write( "D. 1:1\r
\n" ); document.write( "\n" ); document.write( "***The probability the number is odd OR greater than 3
\n" ); document.write( "A. 9/10
\n" ); document.write( "B. 7/20
\n" ); document.write( "C. 12/10 I say C
\n" ); document.write( "D. 3/10\r
\n" ); document.write( "\n" ); document.write( "***The probability the number is odd AND less than 5
\n" ); document.write( "A. 9/10
\n" ); document.write( "B. 7/10
\n" ); document.write( "C. 1/5 I say answer C
\n" ); document.write( "D. 4/5\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The numbers 1 to 10 are written on sheets of paper and placed in a hat.
\n" ); document.write( "If two sheets are selected at random then find the following:\r
\n" ); document.write( "\n" ); document.write( "***The probability both numbers are ODD with replacement.
\n" ); document.write( "Note: “with replacement” assumes the first selection is replaced back into the hat before the second selection is made.
\n" ); document.write( "A. 1/100
\n" ); document.write( "B. 1/4.
\n" ); document.write( "C. 2/9
\n" ); document.write( "D. 1/5\r
\n" ); document.write( "\n" ); document.write( "***The probability both numbers are ODD without replacement.
\n" ); document.write( "Note: “without replacement” assumes the first selection is NOT replaced back into the hat, but is held out, while the second selection is made.
\n" ); document.write( "A. 1/5
\n" ); document.write( "B. 2/9
\n" ); document.write( "C. 1/4
\n" ); document.write( "D. 1/100\r
\n" ); document.write( "\n" ); document.write( "***The probability the first number is ODD and the second number is EVEN,
\n" ); document.write( "without replacement.
\n" ); document.write( "A. 1/4
\n" ); document.write( "B. 5/18
\n" ); document.write( "C. 2/9
\n" ); document.write( "D. 13/18\r
\n" ); document.write( "\n" ); document.write( "***The probability of selecting a 2 and then a 9, with replacement.
\n" ); document.write( "A. 19/90
\n" ); document.write( "B. 1/5
\n" ); document.write( "C. 1/90
\n" ); document.write( "D. 1/100\r
\n" ); document.write( "\n" ); document.write( "***One card is selected from a deck of standard poker cards (assume a typical deck of 52 totals cards numbered from 2 thru 10 and Jack thru Ace) at random. Find the
\n" ); document.write( "probability the card is a spade OR less than 8 (that is, from 2 to 7 only).
\n" ); document.write( "A. 31/52
\n" ); document.write( "B. 37/52
\n" ); document.write( "C. 39/338
\n" ); document.write( "D. 3/26\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "***The State Pick-3 lottery uses 27 balls numbered 1 to 9 (3 each).
\n" ); document.write( "What is the probability that my ticket numbered “222” will win ?
\n" ); document.write( "Assume that the balls are NOT replaced after each selection.\r
\n" ); document.write( "\n" ); document.write( "A. 1 / 19683
\n" ); document.write( "B. 1 / 2925
\n" ); document.write( "C. 2 / 6561
\n" ); document.write( "D. 1 / 1
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #62793 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Probability-and-statistics/86797 (2007-06-28 17:19:31): Hey! I'm new to this whole thing and I am LOST. . I have been out of high school now for 8 years and I am just not grasping some of this. I have a few questions and I hope you can help..
\n" ); document.write( "Here are my choices. Please let me know if I am correct.
\n" ); document.write( "1. D
\n" ); document.write( "2. B
\n" ); document.write( "3. C
\n" ); document.write( "4. C
\n" ); document.write( "5. I have no idea where to begin
\n" ); document.write( "6. I have no idea where to begin \r
\n" ); document.write( "\n" ); document.write( "Questions
\n" ); document.write( "The numbers 1 to 10 are written on sheets of paper and placed in a hat.
\n" ); document.write( "If one sheet of paper is selected at random then find the following
\n" ); document.write( "***The probability the number is greater than 3
\n" ); document.write( "A. 1/10
\n" ); document.write( "B. 3/10
\n" ); document.write( "C. 8/10
\n" ); document.write( "D. 7/10 I say answer D is correct.
\n" ); document.write( "D is the correct answer.
\n" ); document.write( "------------------------
\n" ); document.write( "***The odds the number is a 9
\n" ); document.write( "P(it is a 9)= 1/10; P(is not a 9)=9/10; odds for = [1/10]/[9/10= 1:9
\n" ); document.write( "A is the correct answer
\n" ); document.write( "-----
\n" ); document.write( "A. 1:9
\n" ); document.write( "B. 1:10 I think answer B is correct
\n" ); document.write( "C. 1:11
\n" ); document.write( "D. 1:1
\n" ); document.write( "--------------------------
\n" ); document.write( "***The probability the number is odd OR greater than 3
\n" ); document.write( "P(odd or >3) = P(odd)+p(>3)-P(odd and >3)
\n" ); document.write( "= 5/10 + 7/10 - 3/10 =9/10
\n" ); document.write( "A is the correct answer
\n" ); document.write( "--------
\n" ); document.write( "A. 9/10
\n" ); document.write( "B. 7/20
\n" ); document.write( "C. 12/10 I say C
\n" ); document.write( "D. 3/10
\n" ); document.write( "----------------------------------
\n" ); document.write( "***The probability the number is odd AND less than 5
\n" ); document.write( "P(odd AND <5) = P(odd)P(<5 | odd)= (1/2)*(2/5)= 1/5\r
\n" ); document.write( "\n" ); document.write( "A. 9/10
\n" ); document.write( "B. 7/10
\n" ); document.write( "C. 1/5 I say answer C
\n" ); document.write( "D. 4/5
\n" ); document.write( "-----------------------------
\n" ); document.write( "The numbers 1 to 10 are written on sheets of paper and placed in a hat.
\n" ); document.write( "If two sheets are selected at random then find the following:
\n" ); document.write( "***The probability both numbers are ODD with replacement.
\n" ); document.write( "Note: “with replacement” assumes the first selection is replaced back into the hat before the second selection is made.
\n" ); document.write( "A. 1/100
\n" ); document.write( "B. 1/4.
\n" ); document.write( "C. 2/9
\n" ); document.write( "D. 1/5
\n" ); document.write( "***The probability both numbers are ODD without replacement.
\n" ); document.write( "Note: “without replacement” assumes the first selection is NOT replaced back into the hat, but is held out, while the second selection is made.
\n" ); document.write( "Answer: P(odd and odd) = = 5/10*4/9 = 20/90=2/9\r
\n" ); document.write( "\n" ); document.write( "A. 1/5
\n" ); document.write( "B. 2/9
\n" ); document.write( "C. 1/4
\n" ); document.write( "D. 1/100
\n" ); document.write( "---------------------------
\n" ); document.write( "***The probability the first number is ODD and the second number is EVEN,
\n" ); document.write( "without replacement.
\n" ); document.write( "P(odd and even) = P(odd)*P(even) = 5/10*5/9 = 25/90 = 5/18
\n" ); document.write( "A. 1/4
\n" ); document.write( "B. 5/18
\n" ); document.write( "C. 2/9
\n" ); document.write( "D. 13/18
\n" ); document.write( "--------------------
\n" ); document.write( "***The probability of selecting a 2 and then a 9, with replacement.
\n" ); document.write( "P(2 and 9) = 1/10*1*9 = 1/90\r
\n" ); document.write( "\n" ); document.write( "A. 19/90
\n" ); document.write( "B. 1/5
\n" ); document.write( "C. 1/90
\n" ); document.write( "D. 1/100
\n" ); document.write( "------------------------
\n" ); document.write( "***One card is selected from a deck of standard poker cards (assume a typical deck of 52 totals cards numbered from 2 thru 10 and Jack thru Ace) at random. Find the
\n" ); document.write( "probability the card is a spade OR less than 8 (that is, from 2 to 7 only).
\n" ); document.write( "P(spade OR <8)=P(spade) + P(<8) - P(spade and <8)
\n" ); document.write( "=13/52 + 24/52 - 6/52 = 31/52
\n" ); document.write( "A. 31/52
\n" ); document.write( "B. 37/52
\n" ); document.write( "C. 39/338
\n" ); document.write( "D. 3/26
\n" ); document.write( "----------------------------------------\r
\n" ); document.write( "\n" ); document.write( "***The State Pick-3 lottery uses 27 balls numbered 1 to 9 (3 each).
\n" ); document.write( "What is the probability that my ticket numbered “222” will win ?
\n" ); document.write( "Assume that the balls are NOT replaced after each selection.
\n" ); document.write( "Answer: 3C3/27C3 = 1/2925
\n" ); document.write( "A. 1 / 19683
\n" ); document.write( "B. 1 / 2925
\n" ); document.write( "C. 2 / 6561
\n" ); document.write( "D. 1 / 1\r
\n" ); document.write( "\n" ); document.write( "========================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.\r
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