Question

In a test of H0: p=.61] against HA:p<.61 , the sample proportion was found to be...

  1. In a test of H0: p=.61] against HA:p<.61 , the sample proportion was found to be p=.593 . Which of the following is a correct description of the p-value? Please show work and explain answer, I am reviewing for a final.
    1. the chance of obtaining a sample proportion of .61 or less
    2. the chance of obtaining a sample proportion of .593 or less
    3. the chance of obtaining a sample proportion greater than .61
    4. the chance of obtaining a sample proportion between .593 and .61
  1. When we use the t-distribution, it’s because we have to substitute a point estimate for an unknown parameter, which introduces extra variability. More specifically, the t-distribution is necessary when we have to use the sample ______ as a point estimate for the population ______ when computing the standard error. Please show work and explain answer, I am reviewing for a final.
    1. proportion
    2. mean
    3. standard deviation
    4. slope

Math   Statistics-And-Probability   
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Answer #1

for p value:

the chance of obtaining a sample proportion of .593 or less

When we use the t-distribution, it’s because we have to substitute a point estimate for an unknown parameter, which introduces extra variability. More specifically, the t-distribution is necessary when we have to use the sample standard deviation as a point estimate for the population std devuation_ when computing the standard error. Please show work and explain answer, I am reviewing for a final.

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