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What is the test for usability of the large sample method

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A food company is planning to market a new flavor of potato chips. Before starting the ad campaign, they wish to estimate the proportion of people who like the new flavor.  A simple random sample of 400 people is selected and 300 of them stated that they like the new flavor. Answer questions relating to the 95% confidence interval for p, the proportion of all people who like the new flavor.

What is p-hat? - 100.00(two decimals)

What is the test for usability of the large sample method for the n times p-hat?   - 95 (no decimal)

What is the test for the (1 - n) times p-hat? - 260 (no decimal)

What is the low value for the interval? - 99.6855 (four decimals)

What is the high proportion value for the interval? -100.4505 (four decimals)

What is the width of the low and high proportion? - .1530 (four decimals)

Reference no: EM132399876

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