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
Another question on Mathematics
Mathematics, 21.06.2019 16:20
Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?
Answers: 1
Mathematics, 21.06.2019 17:00
Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?
Answers: 1
Mathematics, 21.06.2019 21:10
Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem
Answers: 3
You know the right answer?
According to Franchise Business Review, over 50% of all food franchises earn a profit of less than $...
Questions
Chemistry, 25.02.2020 22:27
Computers and Technology, 25.02.2020 22:28
Social Studies, 25.02.2020 22:28
Geography, 25.02.2020 22:28
English, 25.02.2020 22:28
Mathematics, 25.02.2020 22:28
