If, in a simple random sample of voters, the sample-mean income is $45,000, the sample size is 1600, thesample standard-deviation is $4,000, what is the standard error of the sample mean? give a(n approximate)95% confidence interval for the population mean.

Suppose the number of equipment sales and service contracts that a store sold during the last six (6) months for treadmills and exercise bikes was as follows: treadmill exercise bike total sold 185 123 service contracts 67 55 the store can only sell a service contract on a new piece of equipment. of the 185 treadmills sold, 67 included a service contract and 118 did not.

What would you do as ceo to support the goals of japan airlines during the challenging economics that airlines face?

12.     to produce a textured purée, you would use a/an a. food processor. b. wide-mesh sieve. c. immersion blender d. food mill. student a   incorrect which is correct answer?