Question: E E X 2 EXE T + P QUESTION 13 The National Center for Health Statistics (NCHS) is studying the average gestational age of babies.

E E X 2 EXE T + P QUESTION 13 The National Center for Health Statistics (NCHS) is studying the average gestational age of babies. They are testing Ho: M - 40 If the NCHS fails to find enough evidence to reject HO. what type of hypothesis testing error could they have made? Define this type of error in a sentence. O a. They could have made a type I (alpha) error. A type I error is when we fail to reject a false HO. O b. They could have made a type II (beta) error. A type II error is when we reject a true HO. O c. They could have made a type I (alpha) error. A type I error is when we reject a true HO. O d. They could have made a type II (beta) error. A type II error is when we fail to reject a false HO. QUESTION 14 The National Center for Disease Control (CDC) is studying the average percentage of COVID infections that occur in vaccinated people. They are Ha: U=4.5% . If the CDC fails to find enough evidence to reject HO, interpret their statistical result in a way that the public would understand Save All

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