Save Submit Assignment for Grading e Question 5 of 7 D Check My Work Exercise 07

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Save Submit Assignment for Grading e Question 5 of 7 D Check My Work Exercise 07.41 Algorithmic The Food Marketing Institute shows that 17% of households spend more than $100 per week on groceries. Assume the population proportion is p - 0.17 and a sample of 900 households will be selected from the population. Use z-table. a. Calculate ), the standard error of the proportion of households spending more than $100 per week on gr ceres to 4 de als b. What is the probability that the sample proportion will be within +/-0.02 of the population proportion (to 4 decimals)? c. what is the probability that the sample proportion will be within +/-0.02 of the population proportion for a sample of 1,800 households (to 4 decimals)? Check My Work 0- Ioon Key Question 5 of 7 takeAssignmentMain.do?takeAssignmentSessionLocator-assignment-take,b3970000-c67d-4327-9ec9-0af8d38d740ba

Explanation / Answer

a)

b)

( please try 0.8898 if abvoe comes wrong and revert)

c)

  ( please try 0.9762 if abvoe comes wrong and revert)

here population proportion=     p= 0.170 sample size       =n= 900 std error of proportion=p=(p*(1-p)/n)= 0.0125

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