Mathematics, 23.04.2020 16:57 Fetty1738

According to Franchise Business Review, over 50% of all food franchises earn a profit of less than $50,000 a year. In a sample of 142 casual dining restaurants, 81 earned a profit of less than $50,000 last year.

a. What is the point estimate of the proportion of casual dining restaurants that earned a profit of less than $50,000 last year?
b. Determine the margin of error and provide a 95% confidence interval for the of casual dining restaurants that earned a profit of less than $50,000 last year.
c. How large a sample is needed if the desired margin of error is .03?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:30, Dillpickle3322

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Answers: 1

continue

Mathematics, 21.06.2019 21:30, BakerElsie02

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?

Answers: 3

continue

Mathematics, 21.06.2019 21:50, edjiejwi

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Answers: 3

continue

Mathematics, 22.06.2019 02:00, sky724

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet

Answers: 1

continue

You know the right answer?

According to Franchise Business Review, over 50% of all food franchises earn a profit of less than $...