A scientist has read that the mean birth weight of babies born at full term is 7.5 pounds. The scientist has good reason

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A Scientist Has Read That The Mean Birth Weight Of Babies Born At Full Term Is 7 5 Pounds The Scientist Has Good Reason 1 (38.65 KiB) Viewed 108 times

A scientist has read that the mean birth weight of babies born at full term is 7.5 pounds. The scientist has good reason to believe that the mean birth weight of babies bom at full term, is different from this value and plans to perform a statistical test. She selects a random sample of birth weights of babies born at full term and finds the mean of the sample to be 7.8 pounds and the standard deviation to be 1.8 pounds. Based on this information, complete the parts below. (a) What are the null hypothesis It, and the alternative hypothesis Ħthat should be used for the test? x 9 HO H, DO ES Us DO X (b) Suppose that the scientist de des not to reject the nult hypothesis. What sort of error might she be making? (Choose one) (C) Fill in the blanks to describe the Type I error that could occur in the true mean birth weight of babies born at full term Is 75 pounds A Type 1 error would be (Choose one) y the hypothesis that is (Choose one) (Choose one) when, in fact, is (Choose one)