Mathematics, 07.04.2020 03:28 ladydeathanddea
A recent survey shows that the probability of a college student drinking alcohol is 0.6. Further, given that the student is over 21 years old, the probability of drinking alcohol is 0.8. It is also known that 30% of the college students are over 21 years old.
1. Of the students who are not over 21, what is the probability they drink alcohol?
a. 0.5143
b. 0.36
c. 0.24
d. 0.4857
Answers: 1
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Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.
Answers: 1
A recent survey shows that the probability of a college student drinking alcohol is 0.6. Further, gi...
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