Mathematics, 16.04.2021 19:40 SucMaDongShan
A fashion designer wants to know how many new dresses women buy each year. A sample of 683 women was taken to study their purchasing habits. Construct the 95% confidence interval for the mean number of dresses purchased each year if the sample mean was found to be 4.6. Assume that the population standard deviation is 2. Round your answers to one decimal place.
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Solve for x and y: 217x + 131y = 913; 131x + 217y = 827
Answers: 1
Mathematics, 21.06.2019 22:10
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
Mathematics, 21.06.2019 22:30
Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?
Answers: 2
Mathematics, 22.06.2019 00:30
If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?
Answers: 3
You know the right answer?
A fashion designer wants to know how many new dresses women buy each year. A sample of 683 women was...
Questions
English, 05.02.2021 17:30
Mathematics, 05.02.2021 17:30
French, 05.02.2021 17:30
Health, 05.02.2021 17:30
Mathematics, 05.02.2021 17:30
English, 05.02.2021 17:30
English, 05.02.2021 17:30
Mathematics, 05.02.2021 17:30
English, 05.02.2021 17:30
Health, 05.02.2021 17:30
