Question

please answer these questions

QUESTION 14 The owner of a toy store has received his first shipment of a certain type of toy, and is trying to decide whether $26.50 is an acceptable prion to charge for this toy. Ho samples 40 other stores that already sell this toy, and finds that the average price for the 40 stores in $24.63, and the standard deviation is $6.12. He will decide that $26.50 is acceptable if he finds that it is close to the average price for all stores in the U.S. Which of the following statements is true? Walphaw 10, then he will reject the null hypothesis, but if alpha - .05, then he will not reject it. O alpha .05, then he will reject the null hypothesis, but if alpha-02, then he will not reject it. #alpha w.02, then he will reject the null hypothesis, but it alpha-01, then he will not reject. O alpha-01, then he will reject the null hypothesis. QUESTION 15 3 2333459 In a fost of hypothesis, the null hypothesis is that the population proportion is equal to 31 and the alternative hypothesis is that the population proportion is less than 31. Suppose we make the test at the 1% significance level. A sample of 600 elements selected from this population produces a sample proportion of .26. What is the value of the test statistic, z? -7.23 -2.63 0 -1.87 -4.32

Answer 1

14) 3rd option is true

15) 2nd option is true=-2.63