In a sample of 47 adults selected randomly from one town, it is ...

[luvbio]

In a sample of 47 adults selected randomly from one town, it is found that 9 of them have been exposed to a particular strain of the flu.
 
  Find the P-value for a test of the claim that the proportion of all adults in the town that have been exposed to this strain of the flu is 8.
  A) 0.0262 B) 0.0524 C) 0.0048 D) 0.0024

Question 2

A hypothesis test is performed to test the claim that a population proportion is greater than 0.7. Find the probability of a type II error, , given that the true value of the population proportion is 0.72.
 
  The sample size is 50 and the significance level is 0.05.
  A) 0.5754 B) 0.9706 C) 0.7123 D) 0.4129
 
  Determine whether the given conditions justify testing a claim about a population mean .

[Ptupou85]

Answer to Question 1

C

Answer to Question 2

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