A researcher claims that at least 10% of all football helmets have manufacturing flaws that could potentially cause injury to the wearer. A sample of 200 helmets revealed that 16 helmets contained such defects. Does this finding support the researcher's claim? Use  α=0.01. What is the critical value ? Round-off final answer to two decimal places.

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Q: A researcher claims that at least 10% of all football helmets have manufacturing flaws that could…

A: Givensample size(n)=200x=16p^=xn=16200=0.08significance level(α)=0.01

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Q: A researcher claims that at least 10% of all football helmets have manufacturing flaws that could…

A: given data n = 200x = 16claim:p≥0.10α = 0.01p^ = 0.08

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