1: Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 17 16 13 46 Female 11 3 5 19 Total 28 19 18 65 If one student was chosen at random, find the probability that the student got a C. Give your answer as a fraction or decimal. 2: Suppose you roll a special 45-sided die. What is the probability that the number rolled is a "1" OR a "2"? 3: A bag of M&M's has 3 red, 2 green, 7 blue, and 8 yellow M&M's. What is the probability of randomly picking: (give answer as a reduced fraction) A) a yellow? B) a blue or green? C) an orange? 4: A group of people were asked if they had run a red light in the last year. 481 responded "yes", and 101 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year. Give your answer as a fraction or decimal accurate to at least 3 decimal places
1: Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 17 16 13 46 Female 11 3 5 19 Total 28 19 18 65 If one student was chosen at random, find the probability that the student got a C. Give your answer as a fraction or decimal. 2: Suppose you roll a special 45-sided die. What is the probability that the number rolled is a "1" OR a "2"? 3: A bag of M&M's has 3 red, 2 green, 7 blue, and 8 yellow M&M's. What is the probability of randomly picking: (give answer as a reduced fraction) A) a yellow? B) a blue or green? C) an orange? 4: A group of people were asked if they had run a red light in the last year. 481 responded "yes", and 101 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year. Give your answer as a fraction or decimal accurate to at least 3 decimal places
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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1: Giving a test to a group of students, the grades and gender are summarized below
A | B | C | Total | |
Male | 17 | 16 | 13 | 46 |
Female | 11 | 3 | 5 | 19 |
Total | 28 | 19 | 18 | 65 |
If one student was chosen at random,
find the
Give your answer as a fraction or decimal.
2: Suppose you roll a special 45-sided die. What is the probability that the number rolled is a "1" OR a "2"?
3: A bag of M&M's has 3 red, 2 green, 7 blue, and 8 yellow M&M's. What is the probability of randomly picking:
(give answer as a reduced fraction)
A) a yellow?
B) a blue or green?
C) an orange?
4: A group of people were asked if they had run a red light in the last year. 481 responded "yes", and 101 responded "no".
Find the probability that if a person is chosen at random, they have run a red light in the last year.
Give your answer as a fraction or decimal accurate to at least 3 decimal places
Give your answer as a fraction or decimal accurate to at least 3 decimal places
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