Weight and Overweight. The data is summarized in the following table. If one of the hundred aults is randomly selected: a) What is the probability that they are 56+ or overweighted? b) What is the probability that they are underweighted or normal weighted? c) Is it correct to say that a randomly selected adult is 1.2 times as likely to be an overweighted as underweighted? Justify your answer.

Help: Derive the CDF of a Geometric Random Variable

The probability is 0.4 that a traffic fatality involves an intoxicated or​ alcohol-impaired driver or nonoccupant. In six traffic​ fatalities, find the probability that the​ number, Y, which involve an intoxicated or​ alcohol-impaired driver or nonoccupant is a. exactly​ three; at least​ three; at most three. b. between two and four​, inclusive. c. Find and interpret the mean of the random variable Y.   a. The probability that exactly three traffic fatalities involve an intoxicated or​ alcohol-impaired driver or nonoccupant is nothing. ​(Round to four decimal places as​ needed.)   The probability that at least three traffic fatalities involve an intoxicated or​ alcohol-impaired driver or nonoccupant is nothing. ​(Round to four decimal places as​ needed.)   The probability that at most three traffic fatalities involve an intoxicated or​ alcohol-impaired driver or nonoccupant is nothing. ​(Round to four decimal places as​ needed.)   b. The probability that between two and four…

A research team has developed a face recognition device to match photos in a database.From laboratory tests, the recognition accuracy is 95% and trials are assumed to be independent. a. If the research team continues to run laboratory tests, what is the mean number of trials untilfailure? b. What is the probability that the first failure occurs on the tenth trial?

In a scholastic aptitude test, mean score for the three parts are:Critical reading           410Mathematics                425Writing                        480Assume that the population variance on each part of the test is 6400. What is the probability a sample of 100 test takers will provide a sample mean test score within 10 points of the population mean of Critical Reading part of the test?

According to AAA, the price of a gallon of regular, unleaded gas across gas stations in Ohio is normally distributed with a mean of $2.39 and a standard deviation of $0.15. If you randomly pick a gas station, what is the probability the price is exactly $2.46 per gallon? A) 0.14 B) 0 C) 1 D) 0.68