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26 November, 20:31

Use the information given below to find the P-value. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis). The test statistic in a left-tailed test is zequalsnegative 1.23.

What is the P-value? P-valueequals nothing (Round to four decimal places as needed.) State the conclusion about the null hypothesis. Choose the correct answer below.

A. Reject the null hypothesis. The P-value is less than the level of significance.

B. Fail to reject the null hypothesis. The P-value is greater than the level of significance.

C. Fail to reject the null hypothesis. The P-value is less than the level of significance.

D. Reject the null hypothesis. The P-value is greater than the level of significance

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Answers (1)
  1. 26 November, 20:37
    0
    (B Fail to reject the null hypothesis. The P-value is greater than the level of significance.

    Step-by-step explanation:

    The null hypothesis is rejected, if P-value is less than the level of significance.

    Here, it is provided that the test is left tailed and z score is - 1.23.

    From, the table of negative score, the P-value for left tailed test is 0.1093.

    Since, the P-value (0.1093) is greater than the level of significance (0.05). The null hypothesis is not rejected.

    Hence, the correct option is (B), Fail to reject the null hypothesis. The P-value is greater than the level of significance.
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