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Question: An advertising research study indicates that 40% of the viewers exposed to an advertisement try the product during the following four months. If 100 people are exposed to the ad, what is the probability that at least 20 of them will try the product in the following four months?
the monthly incomes for 12 randomly selected people each with a bachelors degree in economics are shown on the
1 the volume of a soda dispensing machine pours into a 12-ounce can of soda follows a normal distribution with a mean
assuming that the heights of college women are normally distributed with men 65 inches and standard deviation 2.5
a simple random sample of 20 third-grade children from a certain school district is selected and each is given a test
the american veterinary association claims that the annual cost of medical care for dogs averages 100 with a standard
Suppose you have drawn a simple random sample of 400 business executives. In this sample, 150 executives owned Blackberries.
given a population with a mean m of 75 and a standard deviation of 15 what is the z-score for the following values?a.
suppose the data represent the inches of rainfall in april for a certain city over the course of 20 years.a determine
Zooms produces computer games. The quality control department of Zooms has a procedure to inspect its games. During the first hour of production the manager picks a random value between 1 and 60.
A manager of a gasoline filling station is thinking about a promotion that she hopes will bring in more business to the full-service island. She is considering the option that when a customer requests a fill-up
a study is conducted to estimate the association between exposure to lead paint in childhood and attention deficit
Their probabilities for success on a single play are p for A and q for B, and successive plays are independent. Determine the probablity that A wins the contest given A plays first.
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