k = b Evaluate Σ k = 1 at b = 9. k = 9 Σ (3) - Π Σ = k = 1 (Round your answer to three decimal places.)

Q: Find all values of x for which rank(A) = 2. 2105 A = X = 4 6 x 19 6 7 4 24

A:

Q: Ho: p= 20 H1: H #20 X=21.5 s=5 n=25 and a=.01 The value of the Z or t-table is: 2.797 2.787 2.576…

A: State the hypotheses. That is, the population mean equals 20. That is, the population mean do not…

Q: 27. Payton ran l miles on Monday, 2 miles on 7. miles on Wednesday. What is the 8. Tuesday, and 1-…

A: topic -median of distance median is the value in the middle when data is arranged in ascending or…

Q: •4 x²+2x+3 Find the value of ,* dx and round your answer to four places. x2-9

A: The given integral is: I=∫24 x2+2x+3x2-9 dx

Q: I + 5 dx x3 – x Evaluate

A:

Q: f²r²e-³dx Select one: O a. 3(1-e-8) O b. - (1-e-³) (1-es) O c. O d. 1-e-8 O e. -3(1-e-8)

A: The expression of the definite integral is given byTo determine: the value of the integral.Formula…

Q: 38. (a) t = 9п (b) t 5 5 п 4 (c) t = 25п 6

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

Q: 87 D. (5r+ 2) B 39

A:

Q: 43. What is the value of E(X - 2) for the scores: 1, 2, -2, 4, 5?

A: Here given that: Score( x) : 1, 2, -2, 4, 5 Make a table of x and (x - 2)  Then sum the column (x -…

Q: Evaluate the expression. d? dx2 x = 1/16

A:

Q: P(1.10 s z) P(IZ| s 2.50)

A: Here use normal distribution table for probability from z score

Q: N 45x2-1 dx

A:

Q: Find  P4 . (b) Find  PMore than 2 .

A: The probability of correctly answering a question = 1/5 n = 7

Q: 16.25 (y-5) units 5

A:

Q: 44. What is the value of E(X + 3)² for the scores: 1, 5, 7, 11?

A: Given score is 1, 5, 7, 11

Q: substitution u = √x to evaluate √√√x+1 s X dx

A: The objective is to evaluate the integral.

Q: SSsin(x – y )tydx . (i) Evaluate 00

A: Here we solve only first question, because question number is not mentioned. If you want more help…

Q: If P(A) = 0.3 0.4 1.2 0.2 0.7, P(AUB) = 0.9 and P(B) = 0.5, the value of P(AB) is

A: PA∪B=0.9PA=0.7PB=0.5

Q: .5 S Ix – 2| dz

A: The given integral is ∫05x-2 dx. The function is given , x-2 can be written as, -x-2 , x≤2x-2, x≥2.…

Q: 45. What is the value of E(X² + 2) for the scores: 3, 4, 7, 8?

A: Given that  The data are 3,4,7,8 the value of ∑(X2+2)

Q: y= 2sin 1/2 x   FInd the 5 key points

A:

Q: S x² x²+49 -dx

A:

Q: 5 X √x dx

A: we know  ∫xndx=xn+1n+1+cax×ay=ax+y

Q: 3x2 + 5 dx. x2 – 3x +2 Evaluate

A: Integrate∫3x2+5x2−3x+2dx

Q: P(t) = 24 + 0.4t. What are the values of the population for t = 10, 20, and 30?

A: Given,         The population function is given as Pt=24+0.4t