Treat the number of months X after January 1 that someone is born as uniformly distributed from 1 to 10. Round all answe

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Treat The Number Of Months X After January 1 That Someone Is Born As Uniformly Distributed From 1 To 10 Round All Answe 1 (53.34 KiB) Viewed 119 times

Treat the number of months X after January 1 that someone is born as uniformly distributed from 1 to 10. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - U b. Suppose that 43 people are surveyed. What is the distribution of for this sample? - N c. What is the probability that the average birth month of the 43 people will be more than 4.8?
According the World Bank, only 11% of the population of Uganda had access to electricity as of 2009. Suppose we randomly sample 19 people in Uganda. Let X = the number of people who have access to electricity. The distribution is a binomial. a. What is the distribution of X? X - ? ✓ Please show the following answers to 4 decimal places. b. What is the probability that exactly 4 people have access to electricity in this study? c. What is the probability that at least 4 people have access to electricity in this study? d. What is the probability that less than 4 people have access to electricity in this study? e. What is the probability that between 3 and 5 (including 3 and 5) people have access to electricity in this study?
Private nonprofit four-year colleges charge, on average, $27,869 per year in tuition and fees. The standard deviation is $7,006. Assume the distribution is normal. Let X be the cost for a randomly selected college. a. What is the distribution of X? X - N( b. Find the probability that a randomly selected Private nonprofit four-year college will cost less than 27,588 per year. (Round to 4 decimal places.) c. Find the 64th percentile for this distribution. $ (Round to the nearest dollar.)