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a Secure https:/www.mathxl.com/Student/PlayerHomework.aspx2homeworkid Secure https//www.mathxl.com/Student/PlayerHomework.aspx?homeworkld 4867879528questionld-58flushed-false&cld-50470918centerwi; RISHI-1140-SU-18 (1) Homework: Chapter 15 Score: 0 of 1 pt HW Score: 57 81 %, 9 25 of 1e X15.1.35-T The results of a study showed that heterosexual women, during ovulation, were significantly better at correcty identifying the mariage status of a man from a photograph of his face than women who were not ovulating Near ovulation on average women correctly identified the marriage status of about 65% of the 100 men shown to them. Assume that the sample distribution for this study is unimodal and symmetric and that the samples are collected randomly If this is the probability of correctly identifying the marriage status of a man in any given photograph, what is the probability a woman would correctly classilty 77 or more of the men? Round to five decimal places as needed )

Explanation / Answer

Solution:-

The probability that a women would correctly classify 77 or more of the men is 0.00662.

P(x > 77) = 0.00662

p = 0.65

n = 100

By applying binomial distribution

P(x,n) = nCx*px*(1-p)(n-x)

P(x > 77) = 0.00662

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