A teacher administers a standardized math test to his class of 75 students. The mean score (out of 300 possible points) is 235. From previous studies,
you know the population standard deviation is 28. The principal has decided
that she wants to estimate the average score to within 4 points (margin of
error = 4) with 99% confidence. If she can only administer the test to one
random sample of students, how large should this sample be to achieve the
desired margin of error and confidence level?

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step-by-step explanation:

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required rate of return = 0.166 = 16.6%

step-by-step explanation:

under the capital asset pricing model (capm), the required or expected rate of return for a particular security or asset is given using the formula:

required rate of return = risk-free rate + beta*(market risk premium)

we are given that;

risk-free rate = 4% = 0.04

beta = 1.4

market risk premium = 9% = 0.09

we simply plug these values into the above formula;

required rate of return = 0.04 + 1.4*(0.09)

required rate of return = 0.04 + 0.126

required rate of return = 0.166 = 16.6%

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

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