the average grade is 84 with a standard deviation of 4. What is each grade for -1 2 0 1.5 -1.25

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Q: e. Find the critical value for 99% confidence level based on your computed sample size.

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A: Note: According to our guidelines we can answer only three subparts and rest can be repost.

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Q: Is a degrees of freedom? -2.447 2.571 1.96 -2.015 1.943 will a 32

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Q: If n=110 and ˆpp^ (p-hat) =0.71, find the margin of error at a 90% confidence level Give your…

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Q: 1 a) Hair color is an True False example of a qualitative data.

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A: Suppose μ is the true mean gas mileage for the car company’s luxury sedan.

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Q: To what does the term degrees of freedom refer?

A: Degree of freedoms

Q: The middle 75% of the data was highly competitive house prices in the 70s. Find those house prices.

A: It is given that  Mean = 150000 Standard deviation = 25000

Q: . According to a genetic theory, there is a 10% chance that a randomly selected person from a large…

A: Given info: According to a genetic theory, there is a 10% chance that a randomly selected person…

Q: A car company says that the mean gas mileage for its luxury sedan is 21 mpg. You believe the mean…

A: NO Claim is not accept

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Q: Next question When a man observed a sobriety checkpoint conducted by a police department, he saw 692…

A: Given: n = 692 X = 9 P(W) = 0.01301 Formula Used: P(W) = 1-P(W)