Estimate proportion of customers using food stamps

Assignment Help Basic Statistics

Reference no: EM13151594

John Davis, a manager of a supermarket, wants to estimate the proportion of customers that will be using food stamps at his store. How large a sample is required to estimate the true proportion to within 3% with 98% confidence?

Reference no: EM13151594

Questions Cloud

What values for will result in rejection of null hypothesis : The average lifetime is different from 775 hours, a sample of 80 bulbs is used. If the standard deviation is 40 hours and α is equal to 0.01, what values for will result in rejection of the null hypothesis.

What is the genotype associated with each flower color : A cross between two plants that both have yellow flowers produces 80 offspring plants, of which 38 have yellow flowers, 22 have red flowers and 20 have white flowers.

Find the probability that total baggage is greater : If 1 adult male is randomly selected and is assumed to have 20 pounds of carry-on baggage, find the probability that his total is greater than 195 pounds. Round your answer to three decimal places.

The pressure and temperature of the gas remain constant : Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.

Estimate proportion of customers using food stamps : Estimate the proportion of customers that will be using food stamps at his store. How large a sample is required to estimate the true proportion to within 3% with 98% confidence?

How much more money will edward repay compared : how much more money will Edward repay compared with what Jorge owes (moral:you want a high FICO score)? Assume monthly compounding of interest.

Enough information to decide on statistical significance : A nurse reading this finding knows that the researcher should decide that there is not enough information to decide on statistical significance.

Which antigens should be detected in the blood of npnq : A new blood-typing system was discovered in which two antigens, P and Q, are determined by a different allele of a gene named N. The alleles of these antigens are about equally frequent in the general population.

What is the ph of the solution : What is the pH of the solution which results from mixing 25 mL of 0.30 M HF(aq) and 25 mL of 0.30 M NaOH(aq) at 25 ºC? (Ka of HF = .00072)

User Account

All Pages