A. Using a significance level of a= 0.10, find the critical value(s). B. Should

Question

A. Using a significance level of a= 0.10, find the critical value(s). B. Should we reject H 0 or should we fail to reject H 0? The test statistic of z -1.03 is obtained when testing the claim that p a. Using a significance level of ?-o10, find the critical value(s). b. Should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. 2/3. a. The critical value(s) is/are z Round to two decimal places as needed. Use a comma to separate answers as needed.) b. Choose the correct conclusion below O A. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that p 2/3. O B. Fail to reject Ho. There is not sufficient evidence to warrant rejection of the claim that p-2/3. O c. Reject Ho. There is not sufficient evidence to warrant rejection of the claim that p 2/ 3. Reject Ho. There is sufficient evidence to warrant rejection of the claim that p 2/3. O D.

Explanation / Answer

Answer

since we are testing the claim that p = 2/3

so, we need to use two tailed hypothesis because we are checking either it is less than or greater than 2/3

so, it is a two tailed test

using the online calculator at https://mathcracker.com/z_critical_values.php#results

we get z = -1.64 to1.64 range for the critical z value

so, Answer is -1.64, 1.64

we know that if the calculated z score is outside the region -1.64 to 1.64, then only we can reject the null hypothesis.

since the calculated z statistis is 1.03 which lies between -1.64 and 1.64

so, we will not reject the null hypothesis. Thus, we can say that we have sufficient evidence to reject the claim

so, option B is correct

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