When working on a report for class, Catrina read that a woman over the age of 40 can
lose appr...
Mathematics, 01.04.2020 08:51 liluv6650
When working on a report for class, Catrina read that a woman over the age of 40 can
lose approximately 0.06 centimeters of height per year.
a. Catrina's aunt Nancy is 40 years old and is 5 feet 7 inches tall. Assuming her height
decreases at this rate after the age of 40, about how tall will she be at age 65?
(Remember that 1 inch = 2.54 centimeters.)
b. Catrina's 90-year-old grandmother is 5 feet 1 inch tall. Assuming her grandmother's
height has also decreased at this rate, about how tall was she at age 40? Explain your
reasoning.
HINT: CONVERT FEET INTO INCHES (1 FOOT = 12 INCHES): THEN CONVERT INCHES TO CENTIMETERS!
Answers: 2
Mathematics, 21.06.2019 22:20, skyhighozzie
(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)
Answers: 2
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