Probability of obtaining a head
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?
a. 0.14
b. 0.37
c. 0.39
d. 0.60
e. 0.65
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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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Compute the slope of the regression line for the data below:
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