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Popcorn kernels are believed to take between 100 and 200

Popcorn kernels are believed to take between 100 and 200 seconds to pop in a certain micro- wave.

(a) Estimate using Method 3 from Table 8.11.

(b) What sample size (number of kernels) would be needed to estimate the true mean seconds to pop with an error of 65 seconds and ±5 percent confidence?

(a) Estimate using Method 3 from Table 8.11.

(b) What sample size (number of kernels) would be needed to estimate the true mean seconds to pop with an error of 65 seconds and ±5 percent confidence?

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