vineville vineville

21-10-2022
Mathematics

Answered

A local band was interested in the average song time for rock bands in the 1990s. They sampled eight different rock bands and found that the average time was 3.19 minutes with a standard deviation of 0.77 minutes.
Calculate the 95% confidence interval (in minutes) for the population mean.

Answer :

Other Questions

The average yearly income of social media influencers in the year 2019 was $115,000. A sample of 300 influencers, which was taken in 2020, showed an average yea

Rewrite the expression in terms of In 4 and In 5. In(8000)

The average human heart beats 1.037 x 105 times per day. The approximate average mouse heart beats 1.008 × 10 times per day. On an average, how many beats more

Unoccupied seats on flights cause airlines to loose revenue. Suppose a large airline wants to estimate its average number of unoccupied seats per flight over th

The average rainfall for three months is 12 cm. If the rainfall for the first two months is 13 cm and 15 cm respectively, find the rainfall for the third month.

predicting boston housing prices: the file bostonhousing.xls contains information collected by the us bureau of the census concerning houses in the area of bost

John invests £250 for 3 years in a bank account that pays 1.7% compound interest per annum. Calculate the value after 3 years.

Use the compound interest formula to compute the balance in the following account after the stated period of time, assuming interest is compounded annually. $

-5- 5 x Use the graph of the function to answer the question. 1. Part A Determine the domain and range of the function in the graph. (1 point) Odomain: (x-2 ≤x