Mathematics, 09.12.2020 01:00 cat7167
Ally and Brett decide to go jogging along a two-mile straight path at a nearby park. Ally starts jogging before Bret
does. Sometime after Ally starts jogging, Brett begins jogging from the same starting point and along the same path
as Ally. Each is jogging at a constant rate. Which of the following statements about Ally's jogging rate and Brett's
jogging rate must be true?
If Brett's constant rate is greater than Ally's constant rate, he may catch up to Ally before she
reaches the end of the two-mile path.
)
If Brett's constant rate is equal to Ally's constant rate,
the end of the two-mile path.
ay catch up to Ally before she reaches
If Brett's constant rate is less than Ally's constant rate, he may catch up to Ally before she reaches
the end of the two-mile path.
At any constant rate Brett jogs, he will not catch up to Aly before she reaches the end of the two-
mile path
Answers: 3
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Abottled water distributor wants to estimate the amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company. the water bottling company’s specifications state that the standard deviation of the amount of water is equal to 0.02 gallon. a random sample of 50 bottles is selected, and the sample mean amount of water per 1-gallon bottle is 0.995 gallon a. construct a 99% confidence interval estimate for the popula-tion mean amount of water included in a 1-gallon bottle. b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? why? c. must you assume that the population amount of water per bottle is normally distributed here? explain. d. construct a 95% confidence interval estimate. how does this change your answer to (b)?
Answers: 2
Ally and Brett decide to go jogging along a two-mile straight path at a nearby park. Ally starts jog...
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