3. Binomial Distribution. Are Americans superstitious? A Harris (Feb. 2013) poll of over 2,000 adult Americans...
3. Binomial Distribution. Are Americans superstitious? A Harris (Feb. 2013) poll of over 2,000 adult Americans was designed to answer this question. One survey item concerned the phrase “see a penny, pick it up, all day long you’ll have good luck.” The poll found that about 30 percent of Americans believe finding and picking up a penny is good luck. Consider a random sample of 20 U.S. adults and let x represent the number who believe finding and picking up a penny is good luck. This is a binomial random variable.
What is the standard deviation for this problem?
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3. Binomial Distribution. Are
Americans superstitious? A Harris (Feb. 2013) poll of over 2,000
adult Americans...
I provided the question and the answer for this problem. I'm doing my calculations and I'm...
I provided the question and the answer for this problem. I'm doing my calculations and I'm not getting that answer. If you can please show your work, I would appreciate it! A recent poll of over 2,000 adults was designed to answer the question "Are adults superstitious?" One survey item concerned the phrase "see a penny, pick it up, all day long you'll have good luck." The poll found that just one-third of adults (33%) believe finding and picking up...
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