Mathematics, 17.06.2020 02:57 heroxtree
Baby weight:
Following are weights, in pounds, of two-month-old baby girls. It is reasonable to assume that the population is approximately normal.
12.32 11.87 12.34 11.48 12.66
8.51 14.13 12.95 9.34 8.63
A. Construct a interval for the mean weight of two-month-old baby girls. A confidence interval for the mean weight of two-month-old baby girls is
B. According to the National Health Statistics Reports, the mean weight of two-month-old baby boys is 13.9 pounds. Based on the confidence interval, is it reasonable to believe that the mean weight of two-month-old baby girls may be the same as that of two-month-old baby boys? Explain.
Mortgage rates:
Following are interest rates (annual percentage rates) for a 30-year fixed rate mortgage from a sample of lenders in Macon, Georgia for one day. It is reasonable to assume that the population is approximately normal.
4.753 4.374 4.175 4.676 4.424 4.228
4.124 4.254 3.955 4.196 4.291
Construct an 80% confidence interval for the mean rate. An 80% confidence interval for the mean rate is.
Answers: 3
Mathematics, 22.06.2019 02:00, nathanstern21
Which polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3 n6 + 7mn5 + 14m2n4 – 5m3n3 – 6m6 –2m6 – 5m3n3 + 14m2n4 + 7mn5 + n6 14m2n4 + 7mn5 – 6m6 – 5m3n3 + n6 n6 – 6m6 + 7mn5 + 14m2n4 – 5m3n3 show work
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Mathematics, 22.06.2019 04:30, Imamdiallo18
Sylvia rented a boat for $16.50 per hour. her total rental fee was $49.50. for how many hours did sylvia rent the boat
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Baby weight:
Following are weights, in pounds, of two-month-old baby girls. It is reasonable to ass...