The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. 1421 1222 988 691 721 830 Assume the population is normally distributed. 724 740 549 627 1447 946 (a) Find the sample mean. x= (Round to one decimal place as needed.) (b) Find the sample standard deviation. s=(Round to one decimal place as needed.) (c) Construct a 95% confidence interval for the population mean u. A 95% confidence interval for the population mean is ( D. (Round to one decimal place as needed.)

Q: 00 44 50 START!

A: From the figure  ∠1=∠3                                       ∵Corresponding angles∠1=88∘ ∠1+∠2=180∘…

Q: Question attached.

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

Q: Help!! Answer correctly

A:

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: Find projvu if scalvu = -2 and v = ⟨2, -1, -2⟩.

A: Consider the given vector.u=-2 and v=<2,-1,-2>.The projection is defined as,Projection of…

Q: What is the value? 16 + 4.567 + 12.45

A:

Q: dt tv

A: First simplify the denominator then integrate as shown below.

Q: 8 + e = o %3D

A: Given equation is  x + y + e^xy = 0

Q: Number 2 not 3

A:

Q: Explain the solution to prove the questions validity

A:

Q: show all working out with annations

A: this mapping construct similar and mark some space for understanding

Q: Need answers

A: Given that, PQ has coordinates P(3, -6) and Q(3, 9). The center is (3, -1) and the dilation factor…

Q: Answer key to this packet

A: We have to use the diagram and classify the angle pairs as vertical angles, adjacent angles,…

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: đ = , 5 = , č = , d = Find |5||

A:

Q: What is i ? Explain.

A: In complex numbers, i represents the imaginary part. The value of i is -1.   So, in case if we end…

Q: de Ove -9

A:

Q: Steť?+1 dt

A: Let take t^2 = z  Then.differentiate it ansd solve it as. Below

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: [5 a = 1 b = [308] Calculate the following products and sums or give reasons why they are not…

A: according to our guidelines we can answer only three subparts, or first question and rest can be…

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: All of them please

A: We are allowed to answer three subparts at a time. So, we are answering the first three subparts,…

Q: Consider the following loops on the Klein bottle. (1) Decide whether they are orientation reversing…

A: question 1)  ) Decide whether they are orientation reversing or preserving. Explain ?The given…