Business, 07.06.2021 07:50 paynedeforest2596

For each example below, state the null and alternative hypotheses. 1. A light bulb manufacture claims that the mean life of a certain light bulb is 750 hours. The three you purchased only lasted 700 hours.
2. As stated by a company’s shipping department, the number of shipping errors per million shipments is 15. Last month, there were 20 errors per million shipments.
3. The mean price of a certain model of car is $30,000, according to commercials. However, you stop by five different dealerships, and each has the car listed for more than $30,000.
4. A research organization reports that 33% of the residents in Ann Arbor, Michigan are college students. It seems “everyone” who lives there attends the University of Michigan though.
5. The results of a recent study show that the proportion of drivers in the United States who wear seat belts when driving is 84%. This number seems “off” to you, and you think it might be a different proportion.

Answers: 2

Show answers

Another question on Business

Business, 22.06.2019 04:40

What is ur favorite song and by who i know dis is a random question

Answers: 2

Answer

Business, 22.06.2019 16:00

Analyzing and computing accrued warranty liability and expense waymire company sells a motor that carries a 60-day unconditional warranty against product failure. from prior years' experience, waymire estimates that 2% of units sold each period will require repair at an average cost of $100 per unit. during the current period, waymire sold 69,000 units and repaired 1,000 units. (a) how much warranty expense must waymire report in its current period income statement? (b) what warranty liability related to current period sales will waymire report on its current period-end balance sheet? (hint: remember that some units were repaired in the current period.) (c) what analysis issues must we consider with respect to reported warranty liabilities?

Answers: 1

Answer

Business, 23.06.2019 00:30

An emerging methodology to integrate the effort of the development team and the operations team to improve the functionality and security of applications is known as

Answers: 1

Answer

Business, 23.06.2019 01:00

Sarah is an accountant with desires to open her own business. she is looking for office space at a reasonable rate along with internet service. of the conditions that need to be put in place for the entrepreneurial ecosystem, she needs

Answers: 1

Answer

You know the right answer?

For each example below, state the null and alternative hypotheses. 1. A light bulb manufacture clai...

Questions