subject

Mathematics, 02.11.2020 08:10 greend0719

6. A chocolate chip cookie manufacturing company recorded the number of chocolate chips in a sample of 70 cookies. The mean is 22.47 and the standard deviation is 2.55. Construct a 90% confidence
Interval estimate of the variance of the number of chocolate chips in all such cookies.
(a) Find the critical value(s). (Round to three decimal places)
(b) Construct the confidence interval. (Round to three decimal places)
(c) Conclusion.

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 17:30

What is the greater volume 72 quarts or 23 gallons

Answers: 1

question

Mathematics, 21.06.2019 18:20

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Answers: 1

question

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

question

Mathematics, 22.06.2019 02:30

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?

Answers: 2

You know the right answer?

6. A chocolate chip cookie manufacturing company recorded the number of chocolate chips in a sample...

Questions

question

Biology, 10.03.2020 00:56

Which of these sequences lists units of astronomical measurement from smallest to largest? A. light-year --> AU --> kilometer -->...

question

Physics, 10.03.2020 00:56

What statement best explains their findings? A) The downward force of gravity is less on the notecard because it has less mass. B) The upward force of...

question

Business, 10.03.2020 00:56

In an engagement to express an opinion on one or more specified elements, accounts, or items of a financial statement, the auditor can generally audit...

question

Chemistry, 10.03.2020 00:56

Enter your answer in the provided box. The equilibrium constant Kc for the equation2H2(g) + CO(g) ⇌ CH3OH(g)is 35 at a certain temperature. If there a...

question

Business, 10.03.2020 00:56

As the human resource manager for her firm, Candace is responsible for identifying and attracting qualified applicants for available positions within...

question

Physics, 10.03.2020 00:56

A magnetic B field of strength 10 T is perpendicular to a conducting loop of wire measuring 0.5 square meters with 50 turns. If the B field is linearl...

question

Chemistry, 10.03.2020 00:56

N-Hexane is used to extract oil from soybeans. (See Problem 6.24.) The solid residue from the extraction unit, which contains 0.78 kg liquid hexane/kg...

question

Mathematics, 10.03.2020 00:56

Light in vacuum is incident on the surface of a slab of transparent material. In the vacuum the beam makes an angle of 43.8° with the normal to the su...

question

Business, 10.03.2020 00:56

Calculate the values for each of the questions. Assume that in each country there are no taxes, international trade, or inflation and that interest ra...

question

Mathematics, 10.03.2020 00:56

You simultaneously flip a pair of fair coins. Your friend gives you one dollar if both coins come up heads. You repeat this ten times and your friend...

question

Biology, 10.03.2020 00:56

A concave mirror can produce.?...

question

English, 10.03.2020 00:56

In “Mendel Prepares,” which of the following BEST supports the inference that Mendel’s failure when taking oral exams made him determined to learn to...

question

Computers and Technology, 10.03.2020 00:57

Which tectonic plate setting is associated with the following features: great earthquakes; explosive volcanic eruptions; oceanic plate sinks into mant...

question

Mathematics, 10.03.2020 00:57

Suppose that 65% of the defendants are truly guilty. Suppose also that juries vote a guilty person innocent with probability 0.2 whereas the probabili...

question

Business, 10.03.2020 00:57

Bounds on returns consider a universe of just three securities. they have expected rates of return 10%, 20%, and 10%, respectively. two portfolios are...

question

English, 10.03.2020 00:57

What is the authors purpose in this excerpt? To express an option about US asylum policies To prompt feelings of sympathy I'm the reader To suggest a...

question

Chemistry, 10.03.2020 00:57

The energies, E, for the first few states of an unknown element are shown here in arbitrary units. n 1 2 3 4 ... E -42 -18 -8 -6 0A gaseous sample of...

question

Chemistry, 10.03.2020 00:57

0.100 mol of CaCO3 and 0.100 mol CaO are placed in an 10.0 L evacuated container and heated to 385 K. When equilibrium is reached the pressure of CO2...

question

Biology, 10.03.2020 00:57

Contrast the tunica media of a conducting artery, arteriole, and venule and explain how the histological differences are related to the functional dif...

question

Biology, 10.03.2020 00:57

An online article that your professor asked you to critique states that African Americans cannot contract malaria, even if they go to endemic areas, b...

More questions: Mathematics Another questions

Questions on the website: 13722367