Week 5 Quiz Overview 6 This Question: 3 This Test: 60 pts 14 of 19 complete A co

Question

Week 5 Quiz Overview 6 This Question: 3 This Test: 60 pts 14 of 19 complete A company gave psychological tests to prospective employees. The random variable x represents theRTM possible test scores. Use the histogram to find the probabilities in parts (a) and (b). AI Test scores 0.4 0.3 0.2 0.1 0 0.35 probabilities in 05 KO) More Gradebook a) Find the probabilty that a person selected at random from the survey's sample had a test score of Score see score more than two. L (Round to two decimal places as needed) b) Find the probability that a person selected at random from the survey's sample had a test score of less than four thLab TONAdapeve Learming Round to two decimal places as needed) Enter your answer in each of the answer boxes. 6:06 PM 10/9/2015

Explanation / Answer

a)

P(more than 2) = P(3) + P(4) = 0.26 + 0.06 = 0.32 [answer]

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b)

P(less than 4) = 1 - P(at least 4) = 1 - P(4)

= 1 - 0.06 = 0.94 [ANSWER]

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