The table below summarizes the number of surface flaws found on the paintwork of new cars following their inspection after primer paint was applied by a new method: No. of flaws No. of cars 1 9. 2 14 3 12 4 3 6 1 Part a) Find the mean number of flaws per car. Please give your answer to two decimal places. The mean number of flaws per car is: Part b) Find the variance of the number of flaws per car. Please give your answer to two decimal places. The variance of the number of flaws per car is:

Q: Please give me the answer again.

A:

Q: Question attached.

A: a. The values 1, 2, and 5 to be a population. The 9 different possible samples are,…

Q: W 4. A cell phone company claims that the average time a person spends on their phone is 12.8 hours…

A: Let μ denote the population mean and x⎯⎯ denotes the sample mean. Then, μ=12.8 and x⎯⎯=12.2 Let n be…

Q: Please answer all parts

A: We can find the regression equation in excel as follows- Step 1) Put the given data onto the…

Q: Integrate:

A:

Q: THank you for the assistance, can you please give me step by step explanation and workings

A:

Q: Does a statistics course improve a student's mathematics skills,as measured by a national test?…

A: From the given information,   Student Before After Absolute Difference Sign 1 430…

Q: Thank you

A:

Q: Not correct answer, read the question again!

A: Given Data We have to find the shortest path and taken time as measure. a) Formulate the problem as…

Q: 7) Find mzVUT if MVUM =21x-3, M2VUT-35x-4, and MMUT= 69°. A) 5 C) 107 B) 10 D) 171

A: Since there are multiple questions present and you have not specified which question to answer,…

Q: Statements 1. = -2 x+7 %3D 3 2. x + 7 = -6 3. x = -13

A:

Q: Please answer all.

A:

Q: please explain  and show all parts

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Solve for all parts.

A:

Q: Help step by step explanation written

A: The area between 7 and 11.9 represents the area to the right of 7 and to the left of 11.9. This can…

Q: A random sample of n measurements was selected from a population with unknown mean μ and standard…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted...…

Q: can you do the rest of the missing parts

A: Since you have posted multiple questions, we will provide the solution only to the second…

Q: 4 The height, h, of an ball that is thrown st upward from an initial position 3 feet off ground with…

A: It is given that, the height h of a ball that is thrown straight upward from an initial position 3…

Q: please continue the other parts

A: Question (b). To sketch the region whose area is represented by the definite integral, and to…