subject

Mathematics, 10.09.2020 04:01 amelvin41

Dullco Manufacturing claims that its alkaline batteries last at least 40 hours on average in a certain type of portable CD player. But tests on a random sample of 18 batteries from a day's large production run showed a mean battery life of 37.8 hours with a standard deviation of 5.4 hours. To test DullCo's hypothesis, the p-value is

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 18:50

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

Answers: 3

question

Mathematics, 21.06.2019 19:20

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

Answers: 1

question

Mathematics, 22.06.2019 00:10

Change negative exponents to positive, then solve

Answers: 1

question

Mathematics, 22.06.2019 02:00

The product of 3 and a number increased by 8 is 31

Answers: 1

You know the right answer?

Dullco Manufacturing claims that its alkaline batteries last at least 40 hours on average in a certa...

Questions

question

Business, 04.02.2020 05:44

The primary objective of financial reporting is to provide information: a. about a firm's management team. b. that is useful in d...

question

Mathematics, 04.02.2020 05:45

Your class hopes to collect at least 325 cans of food for the annual food drive. there were 132 cans donated the first week and 146 more the second we...

question

English, 04.02.2020 05:45

Write a vague sentence he took his dog for a walk in the park...

question

Mathematics, 04.02.2020 05:45

Graph triangle rst with vertices r(6, 6), s(3, –6), and t(0, 3) and its image after a reflection over the y-axis....

question

Social Studies, 04.02.2020 05:45

Sachio traveled to a prestigious college to audition for a music scholarship. after he arrived, he learned that his audition had been rescheduled for...

question

Mathematics, 04.02.2020 05:45

Starting at its rightmost position, it takes 2 seconds for the pendulum of a grandfather clock to swing a horizontal distance of 18 inches from right...

question

Social Studies, 04.02.2020 05:45

You are the operations section chief at the incident command post and request that all response communications be conducted using a pre-determined set...

question

Biology, 04.02.2020 05:45

What body system do the lungs convert carbon dioxide into oxygen?...

question

Business, 04.02.2020 05:45

If brazil gives up three automobiles for each ton of coffee it produces, while peru gives up seven automobiles for each ton of coffee it produces, the...

question

Physics, 04.02.2020 05:45

Cooler air sinks. warmer air rises. when discussing weather, an area of cooler sinking air could be described by labeling the area as: *...

question

Social Studies, 04.02.2020 05:45

Aseries circuit has three resistors of 4 ohms each. the voltage drop across each resistor is 4 volts. technician a says that the source voltage is 12...

question

Mathematics, 04.02.2020 05:45

An expression is shown below: 2x3y + 8xy - 4x2y - 16y part a: rewrite the expression so that the gcf is factored completely....

question

Business, 04.02.2020 05:45

Select all that apply. the accountant for harper plumbing company failed to record the following transaction in the journal: billed customers $1,400...

question

Mathematics, 04.02.2020 05:45

How can properties of operations to generate equivalent expressions that can be used in solving problems ?...

question

Biology, 04.02.2020 05:45

Researchers working with rob dunn set out to collect and identify microbes found in belly buttons. when the researchers began identifying these microb...

question

Biology, 04.02.2020 05:45

How does my digestive system work from mouth to my butt?...

question

Social Studies, 04.02.2020 05:45

Psychologists who study sensation and perception sometimes state that pain messages are carried to the brain by ""fast"" and ""slow"" neural pathways....

question

History, 04.02.2020 05:45

This is a common trading market. a. anzus c. eu b. nato d. gatt...

question

Business, 04.02.2020 05:45

Juana looked at her september issue of o magazine and did not see anything of interest. however, after her mother was diagnosed with bipolar disorder,...

question

History, 04.02.2020 05:45

The quran has specific guidelines for all of the following except a. rules for socializing c. how to worship b. morals to ex...

More questions: Mathematics Another questions

Questions on the website: 13722367