13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the estimate of the prevalence of stroke within the population. If 70 subjects are chosen at random from the population, what is the probability that 10 percent of less would report an incidence of stroke?

An economics professional body estimates that 80% of the students taking undergraduate economics courses are in favour of studying of statistics as part of their studies. If this estimate is correct, what is the probability that more than 790 undergraduate economics students out of a random sample of 1000 will be in favour of studying statistics?

If the population proportion is 0.90 and a sample of size 64 is taken, what is the probability that the sample proportion is less than 0.88?

The number of blueberries in a blueberry muffin baked by EarthHarvest Bakeries can range from 22 to 40 blueberries. Use the Emperical Rule to estimate the standard deviation of the number of blueberries in a muffin.

The 2012 National Survey on Drug Use and Health estimated that 25% of canadians agd 12 or over reported binge drinking in the past month. Find the odds of binge drinking

A survey showed that 76​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their eyesight. If 14 adults are randomly​ selected, find the probability that at least 13 of them need correction for their eyesight. Is 13 a significantly high number of adults requiring eyesight​ correction?

Sixty percent of clowns aren’t funny.   If you randomly encounter three different clowns, what is the probability that none of them are funny?

According to a study conducted by the Gallup organization, the proportion of Americans who are afraid to fly is 0.10.  A random sample of 1100 Americans is taken and they are asked if they are afraid to fly.  Find the probability that the sample portion of Americans in the sample who say they are afraid to fly is greater than 12.   QUESTION REFERS TO DISTRIBUTION OF THE SAMPLING PROPORTION PHAT

A recent survey found that 60% of all adults wear sunglasses for driving. In a random sample of 10 adults, what is the probability that at least seven wear sunglasses?

A poll showed that 54.6% of Americans say they believe that statistics teachers know the true meaning of life. What is the probability (in percent form) of randomly selecting someone who does not believe that statistics teachers know the true meaning of life.