Assume a simple random sample was selected from a normally distributed population. Identify/state: inputs / calculation for test statistic, critical value(s) / rejection region, decision about null hypothesis, and final conclusion addressing original claim. Test by: Rejection region. Do not use a calculator function. 9) Test the claim that for the population of history exams, the mean score is greater than 80. Ina simple random sample of 16 history exams, x = 84.5 and s = 11.2. Use a significance level of a = 0.01.

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Q: number 20

A: a) Given: A botanist has sampled 3000 seeds and planted them in warm, moist soil. Out of them, 2430…

Q: 6) Find f'(-2) for each of the following functions.

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Q: Find the area for all of them, please

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A: note: previous answer was also correct but i think you could not horizontal scroll so I will rewrite…

Q: Number 15

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Q: 1 is subtracted from the cube of a number

A: 1 is subtracted from the cube of a number.Let the number be xSo, we have1 is subtracted from the…

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A: Step 1:

Q: PLEASE WRITE OUT THE WORK ASAP, do NOT TYPE IT

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A: To determine the solutions to the equation cot2x=5−3cotx for 0≤x≤2π, we first let u=cotx.…

Q: can you please answer number 7 and show you did the work.

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Q: can you do the resr

A: Let's solve 6th question.  Please repost for other parts.

Q: Clarify step 2

A: Given Information: Sample size n=1032Sample proportion pˆ=73%=0.73Margin of error E=3.9%=0.039

Q: Number 14

A: Correct answer 106° and 74°

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A: Step 1:

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A: Given expression is 7xy-4By law of exponent,

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A: b) c)

Q: Please allof them.Thanks

A: 1) The mean is calculated as follows: x¯=20+11+20+11+165=785=15.6

Q: Pls help ASAP on all asked questions.

A: Step 1: Step 2: Step 3: Step 4:

Q: Number 18

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.