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The fill amount of bottles of a soft drink is normally​ distributed, with a mean of...

The fill amount of bottles of a soft drink is normally​ distributed, with a mean of 1.0 liter and a standard deviation of 0.04 liter. Suppose you select a random sample of 25 bottles.

a. What is the probability that the sample mean will be between .99 and 1 liter​?

b. What is the probability that the sample mean will be below 0.98 liter​?

c. What is the probability that the sample mean will be greater than 1.01

​liters?

d. The probability is 90​% that the sample mean amount of soft drink will be at least how​ much?

e. The probability is 90​% that the sample mean amount of soft drink will be between which two values​ (symmetrically distributed around the​ mean)?

Math   Statistics-And-Probability   
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Answer #1

b) Answer: ---- (0.0062)

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