IF X-N(47, 225). Find the z-score of X=53 O A. -0.4 O B. 1.25 O C. None of these O D. -0.73 O E. 0.4

Q: Finding the height of the lamppost in the park, Rachel put a Mirror on the ground 20 feet from the…

A: according to the questionAB=5.6 feet   Let CD= h feetBO=   4 feet OC = 20 feet|∠AOB = ∠DOC=x°

Q: The number X of refriger ators sold per day at a local appllance store Is shown In the table below…

A: First of all we will find the value of b by using the relation   x *f(x)= μ .        Then…

Q: If P(A) = .62, P(B) = .47, and P(A U B) = .88; then P(A N B) = O a. .291 O b. 1.970 Oc.670 O d. .210

A: P(A) = 0.62 P(B) = 0.47 P(A∪B)=0.88

Q: Given l || m || n, find the value of x. tf 36°

A: Solution: The objective is to find the value of x

Q: f the values of the variable X are 2, 3, 4, 5 and P(x=x) 0.20, 0.30 ,0.20, 0.30, respectively, which…

A: Given data, X P(X=x) 2 0.20 3 0.30 4 0.20 5 0.30   E(X)=?

Q: X: 1, 2, 3, 4, 5, 6. Y: 5.46, 7.6, 9.11, 14.3, 18.93, 19.45. Enter your answer in the form y = Ms +…

A: xy15.4627.639.11414.3518.93619.45

Q: = c for b 0/6

A: Given:   a/b = c  We solve it for b

Q: Match these values of r with the accompanying scatterplots: 0.758, 1, - 0.996, - 0.758, and 0.996. W…

A: The correlation coefficient is the measure to tell how strong is the relationship between two…

Q: d Evaluate dx 1x²+7x

A:

Q: e. In OP, mAB = 43, and AC = DF. Find AC.

A:

Q: 20. For the following set of scores, find the value of each expression: a. EX b. Σχ . ΣΧ+ 3) . -2 -3…

A: a. The value of Σ X may be obtained by adding all the values of X, as follows: X 6 –2…

Q: If P(A) = 0.36, P(B) = 0.150., and A and B are independent, find P(A | B). 0.36 0.417 0.21 0.51

A: According to the given information in this question We need to identify the correct option

Q: Find the value of x. 60 7x-11

A: When two parallel lines cuts by a transverse line then Alternate exterior angles made by them are…

Q: For P(z>Z1) 0.20, which of the following is the nearest Z1? Please select one: a. 0.84 b. 1.96 c.…

A: Given P(z>Z1)=0.20

Q: Use a computer to find the following values of t. a 1.05, 143 b. t01, 12 c. t.025,0 d. 1.05, 100

A: Values of t by using Rstudio (a) t0.05,143 = 1.655579 (b) t0.01,12 = 2.680998 (c) t0.025,Inf =…

Q: z = b +, for a + 9 = . a

A:

Q: 3 If A = - 1 Then ||All = -2 4 Select one: а. 3 b. 6 C. 5 d. 4

A:

Q: woudlnt P(P|S) be .41 instead of .14 because S represents when the cat is asleep and S' represents…

A: Probability explains chance how much an event can happen. It is calculated by number of favorable…

Q: Q.8 Evaluate: n-l'n' Pdx=

A:

Q: Determine  for n=10 and r=0.50. What is p(x=8)

A:

Q: If p lg. find the value of x.

A:

Q: Find n when a, =24, d= 8, and a, = 48.

A:

Q: An 8-sided die with faces labeled 1 to 8 will be rolled once. The 8 possible outcomes are listed…

A:

Q: Find -x if а. х — — 6 b. x =

A: a) Find -x. Given that, x=-6 So -x=--6        Substitute x=-6=6 Hence -x=6

Q: P = R-C, for R %3D N

A:

Q: Two scores, X and Y. are recorded for each of a subjects. For these scores, find the value of cach…

A: Σ’ represents summation. Remember that, whenever the “Σ” is used, it denotes the sum of all…

Q: Assume that P(A)= 0.7 and P(B) = 0.2. If A and B are independent, find P(A and B). O A. 0.14 O B.…

A: From the provided information, P (A) = 0.7 and P (B) = 0.2

Q: The order of (3, 4) in Z4 × Z10 is  a. 4 b. 12 c. 40 d. 5 e. 20

A: The objective is to find the order of 3,4 in Z4×Z10 First find the order of 3 in Z4, then find the…

Q: A B C D If the value of 419 4 27 1 18 9 15 9x+2 18 = 2, the value of 3*+¹ is ...

A:

Q: If - x + 10 s 15 then: Select one: a. xs-5 b. x 2 5 C. X 2 - 5 d. xs 5

A: Given information: An inequality is given as: -x+10≤15 This inequality is solved for the value of x.

Q: (21)8=... Select one: (10010)2 a. b. (1001)2 (10001)2 C.

A: Here convert the number (21)8, into base 2 number.

Q: Which of the following expressions has a value of 3? Select all that apply. -6 -2 04-(-1) O (-1)(-3)…

A: We use mathematical operations to solve given options

Q: Evaluate the following for x= 3 and y = 1. 7xy² - 7

A: Given: 7xy2-7

Q: if N { A U B }= 90, N {A}= 50, and N{B}= 45, find N {A n B}

A: Given :NAUB=90  NA=50 NB=45

Q: Find the value of sin A. A 5 3 с 4 B

A:

Q: EP=_. Write the number answer only. * 4) Find EP if PY= 0.5 P F

A: Find EP

Q: If a=4 and b=-6, then la²+b/al=? A. -8 OB. -2 O C. 20 OD. 14.5 OE. -14.5

A: Topic - Algebraic operations we are given a=4 and b=-6 we need to find a2+b/a

Q: Find DE. E 5 F 6. 8 G 48 A 7 288 59 B 25 HI

A: For two intersecting secant line :

Q: If the data collected resulted Sy = 13.9375, Sx = 144.875, and Syy = 1.4588. Which of the followings…

A: We know that,Correlation coefficient is given byr=SxySxxSyy