Question: This is statistics course and I need help with answering those questions. It's FRQ Cumulativeunit. 1. In six packages of Davidson's Bubble Gum there were

This is statistics course and I need help with answering those questions. It's FRQ Cumulativeunit.

This is statistics course and I need help with answering those questions.

1. In six packages of Davidson's Bubble Gum there were five grape-flavored pieces. The total number of pieces in the six bags was 48. We wish to calculate a 96% confidence interval for the population proportion of grape- flavored pieces. This question is adapted from openstaxcollege.org. Download for free at http://cox.org/contents/30189442-6998-4686-ac05- ed152691b9de@18.13 (a) Which distribution should you use for this problem? Explain your choice. (b) Construct a 96% confidence interval for the population (c) Do you think that six packages of proportion of grape-flavored pieces. bubble gum yield enough data to give accurate results? Why or why not? 2. In February, a KXTV survey estimated that 28% of voters believe that the president was doing a good job. This was reported with a 3% margin of error. (a) If 975 voters were polled, what is the (b) Suppose that a competing news agency wishes to report a 95% confidence level of this estimate? confidence level with no more than a 2% margin of error. How many respondents does this survey need? State any assumptions that you need to make in order to answer this

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