2. Sounding Boards Board No. Weight 1 584 2 574 459 4 513 5 551 6 534 7 509 8. 561 9 481 10 504 11 516 12 528 13 590 14 540 15 557 95% Confidence Level Upper Bound 95% Confidence Level Lower Bound

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Q: Answer part b

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A: The provided information are ;p= 0.50.n = 40x = 0.50(40) = 20Confidence level = 0.99

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Q: all

A:

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Q: If n = 20, the sample mean = 250, SD = 15, SEM = 3.354, what is the confidence interval (using 95%…

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