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How do you answer the following question in excel, using excel formulas? with explanation please.
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.
In a marketing survey, a random sample of 1010 supermarket shoppers revealed that 260 always stock up on an item when they find that item at a real bargain price.
a) Let p represent the proportion of all supermarket shoppers who always stock up on an item when they find a real bargain. Find a point estimate for p. (Enter a number. Round your answer to four decimal places.)
b) Find a 95% confidence interval for p. (For each answer, enter a number. Round your answers to three decimal places.)
Upper Limit
Lower Limit
What is the margin of error based on a 95% confidence interval? (Enter a number. Round your answer to three decimal places.)
Margin of Error
in a study to estimate the proportion of residents in a city that support the construction of a new bypass road in the
A pollster calls 500 randomly selected people and all 500 respond to her first question. Because the subjects agreed to respond, is the sample a voluntary response sample?
more than 50 million guests stayed at bed and breakfasts bampbs last year. the web sitenbsp for the bed and breakfast
An URN contains 5 red and 10 black balls, eight of them are placed in another URN. The chance that what is the letter that contains 2 red and 6 black balls?
A process is normally distributed with a mean of 104 rotations per minute and a standard deviation of 8.2 rotations per minute.
The analysis produces SS(within treatments) = 32, SS(between treatments) = 40, and SS(total) = 72. For this analysis, what is the MS(within treatments)?
q1. in a game of chance a number of draws are placed with replacements from a box of tickets 500 of these tickets are
Substance abuse risk and bipolar disorder. Wilens and colleagues (2008) studied the association between bipolar disorder and substance abuse.
Why is it important to protect healthcare and public health sectors?
a sample of 100 families was drawn for analysis of the average grocery spending. assume that the individual weekly
Biology and Environmental Science A monarch butterfly may fly as many as 2000 miles during its migration to Mexico. These amazing creatures actually vary.
Assume that the height of adult caucasian women have a mean of 63.6 inches and a standard deviation of 2.5 inches. If 100 women are randomly selected find the probability that they have a mean height greater that 63.0 inches.
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