According to a published study, 1 in every 10 men has been involved in a minor traffic accident. Suppose we have randomly and independently sampled twenty-five men and asked each whether he has been involved in a minor traffic accident.
How many of the 25 men do we expect to have never been involved in a minor traffic accident? Round to the nearest whole number.
A) 25 B) 3 C) 10 D) 22
Question 2
A recent survey found that 70 of all adults over 50 wear glasses for driving. In a random sample of 40 adults over 50, what is the mean and standard deviation of the number who wear glasses? Round to the nearest hundredth when necessary.
A) mean: 12; standard deviation: 5.29 B) mean: 28; standard deviation: 2.9
C) mean: 12; standard deviation: 2.9 D) mean: 28; standard deviation: 5.29
Teres Major & Teres Minor
Cerebrovascular accident.
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