Mathematics, 19.12.2019 00:31 ladybugys

The life in hours of a battery is known to be approximately normally distributed, with standard deviation hours. a random sample of 10 batteries has a mean life of x overbar equals 40.5 hours. (a) is there evidence to support the claim that battery life exceeds 40 hours

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 21:30

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

Answers: 1

Answer

Mathematics, 22.06.2019 00:30

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

Answers: 3

Answer

Mathematics, 22.06.2019 00:30

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"

Answers: 3

Answer

Mathematics, 22.06.2019 01:00

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis

Answers: 3

Answer

You know the right answer?

The life in hours of a battery is known to be approximately normally distributed, with standard devi...

Questions

Mathematics, 28.06.2021 16:20

10 POINTS! Please help me if you can :) A figure is located at (2, 0), (2, −2), (6, −2), and (6, 0) on a coordinate plane. What kind of 3-D shape wou...

English, 28.06.2021 16:20

Odysseus outsmarts the Cyclops, saving both himself and his men....

Mathematics, 28.06.2021 16:20

What is the mathematical answer for this matematicas question 5 1/5÷ 1/4...

Computers and Technology, 28.06.2021 16:20

Name TanushSAVAGE. As given in the picture, Subscribe!

Mathematics, 28.06.2021 16:20

10 POINTS! please help if you can :) A figure is located at (2, 0), (2, −2), (6, −2), and (6, 0) on a coordinate plane. What kind of 3-D shape would...

Mathematics, 28.06.2021 16:20

Liam bought 3 4 of a pound of strawberries. He used the strawberries to make 6 smoothies. If each smoothie had the same amount of strawberries,...

Business, 28.06.2021 16:20

Mochel Company employs a standard cost system in which direct materials inventory is carried at standard cost. The company has established the followi...

English, 28.06.2021 16:20

Some people hold the belief that “power corrupts.” They point out that history gives us many examples of leaders who have used their power irresponsib...

Law, 28.06.2021 16:20

Person A has just robbed the bank with Person B, they had been planning the robbery for the past few weeks. They have also hired 6 other people to joi...

English, 28.06.2021 16:20

Merhaba Bursa arkadaşım bu benim yeni hesabım lütfen beni takip edin :D...

SAT, 28.06.2021 16:20

Busco novia xd alguna interezada?...

Biology, 28.06.2021 16:20

Which statement describes the best example of an observational study? O A. A scientist measures the height of different mountains in Asia. O B....

English, 28.06.2021 16:20

What was useful in online education? pleas anyone...

Mathematics, 28.06.2021 16:20

Find the greatest number by which 90, 120 and 150 are exactly divisible....

English, 28.06.2021 16:20

HELP ME ANSWER THIS QUESTION I HAVE A LOT OF HOMEWORK TO DO I WILL GIVE YOU 54 POINT PLEASE RISK IT

English, 28.06.2021 16:20

gawain sa pagkatuto bilang 1 sulat sa patlang kung ang mga sumusunod na ugat ng kwento ay di kathang isip o di kathang isip...

Mathematics, 28.06.2021 16:20

(05.05 HC) The graph shows the distance, y in miles, of a moving train from a station for a certain period of time, x, in hours: What is the speed (i...

Physics, 28.06.2021 16:20

as water begins to boil in the kettle the hotter water at the bottom of the kettle closest to the stove begins to rise and the cooler water a above si...

English, 28.06.2021 16:20

Read the following excerpt from The Story of My Life by Helen Keller. I learned a great many new words that day. I do not remember what they al...

Mathematics, 28.06.2021 16:20

Can someone please help me and show working I am stuck.

More questions: Mathematics Another questions