1. A random sample of 11 adults is obtained, and each person's red blood cell count (in cells per microliter) is measured. The sample mean blood cell was 4.4 with a standard deviation of 0.39. a) Construct a 95% confidence interval estimate for the true mean red blood cell counts of adults. Round to 2 decimal places. b) A microbiologist suggests that the mean cell count is 4.7. Does your confidence that you found in part a refute or support their claim? Explain.

Q: 31 a. Solve

A: To solve 12+32+-34

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A: From part (b) we have µY = 1.89 and  Standard deviation (σ) = 0.4

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A: Confusion comes when you view f as a function, instead read the statement replacing f by "c"

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A: If i have 264 out of 283 points, how many points is that out of 100pts?

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Q: Is that the full answer for part iv

A: Yes.

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A: a Solution

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A: Let's evaluate given integral.