Population standard deviation
A population of scores has μ = 44. In this population, a score of X = 40 corresponds to z = -1.00. What is the population standard deviation? Explain your response.
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When determining the probability of selecting a score that is below the mean, you will get a negative value for probability. Explain your response.
A distribution with μ = 55 and σ = 6 is being standardized so that the new mean and standard deviation will be μ = 50 and σ = 10. When the distribution is standardized, what value will be obtained for a score of X = 52 from the o
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The probability of obtaining a head when a certain coin is flipped is about 0.65. What is the probability that heads would be obtained 15 or fewer times when this coin is flipped 25 times?
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