According to government data, the probability that a woman between the ages of 25 and 29 was never married is 40%. In a random survey of 10 women in this age group, what is the mean and standard deviation of the number that never married? . O A. mean: 6; standard deviation: 155 O B. mean: 4; standard deviation: 2.4 O C. mean 6: standard deviation: 1.55 O D. mean: 4; standard deviation: 1.55

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Q: video game c

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Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A: normal distributionμ = 500σ = 100P(570<x<640) = ?

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