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Secure https:/lumassd.umassonline.net/webappsjassessment/take/launch jsp?course assessimant jd- 42415,18course jid- o o. 38 d. 36 QUESTION 28 A population has a mean of 30 and a standard deviation of 3. A random sample of 300 is selected. The expected value of R is a. 10 O b. 100 Oc.30 QUESTION 29 The p-value is a probability that measures the support (or lack of support) for the O a null hypothesis 0 b. sample statistic O c. alternative hypothesis d. either the null or the alternative hypothesis QUESTION 30

Explanation / Answer

28) from central limit theorum ; expected value of Xbar=population mean =30

option C is correct

29)

optionA is correct

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