A. P(5.4 < x < 12.3)- B. P(x = 7.2) = 1

Q: Compute Jenna's Z score and actual score on the Calculus test after knowing the follo 15.62% of the…

A: Given that 15.62% of the class got a score above hers.The mean of the test for the class was 80% and…

Q: Find z given that P(.24 <Z <z) = .12

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Q: Find the measure of <C. 50

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Q: 2 2 Que s-tion : - 5 %3D 4-3x 4- 3x

A:

Q: Prove that = Aatilag (Elog Xi) An. %3D

A:

Q: Geometric mean of 2, 6 and x is equal to 6. What is the value of x ?

A:

Q: Find P(Z < 2.84)     .5375     .9575     .8098     .9977

A:

Q: Two owners of a cattle ranch, Robert and Val, want to find the average weight for the ranch's 200…

A:

Q: What is the following: 1. Sum of XY? 2. a = ? 3. b = ?

A: Given example are secular trend.

Q: Find P(-1.40 < Z < 0)     .4192     .1259     .4357     .8907

A: Solution: Let Z be the standard normal random variable with mean μ=0 and standard deviation σ=1…

Q: Find the value of z. T. R 21

A:

Q: ween z= 1.42 and z= 2.17

A: The required area between the z= 1.42 and z= 2.17 can be found by using the standard normal table.…

Q: Let X-bin(12,0.4), then P(5 <= X < 10) is closest to: a. 0.334 b. 0.562 c. 0.332 d. 0.335 e. 0.559

A:

Q: find P (Z > 1.21) = find P (Z < 1.60) = find P (0.59 < Z < 1.78) =

A: 1) P (Z &gt; 1.21) =?

Q: -2.4≥ x/5

A: We have to solve for x

Q: Ex12: The time until a chemical reaction is complete (in milliseconds) is approximated by the…

A: Solution

Q: Does this expression P(D) = 1.4 possibly occur

A:

Q: P(1.15 < Z < 2.77) =

A: X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: The arithmetic mean of the X series is X̅ = 125. The arithmetic mean of the A series is X̅A = 32.…

A: Given that, Arithmetic mean of X, E(X)= x̄ = 125 Arithmetic mean of A, E(A)=  A bar = 32 B is the…

Q: find mean if n=2 and p=0.10

A: The concept of the binomial distribution is used by the researcher, if it is required to compute the…

Q: Given x = 0, 1, 2, 3, 4, 5 how is the mean 1.5? Shouldn't the mean of x be 2.5?

A: Measures of Central Tendency: A measure of central tendency represents the central value or typical…

Q: find mean if n is 4 and p is 0.2

A: According to the provided information, n =4 p =0.2

Q: Find the range. O 4< yS8

A: Range: Set of y values

Q: Q.1 What do you understand by dispersion of a set of values?

A:

Q: using the results r(128) = .64, p < .05, what is the most appropriate conclusion? a. r is not…

A: From the provided information, Level of significance (α) = 0.05 The sample size (N) = 128…

Q: Find mean if n and p are 7 and 0.2.

A:

Q: Suppose the mean of X is 6. What is the mean of Y if a = 0.66 and Y=aX?

A: From the provided information, Mean of X is 6 that is E (X) = 6 a = 0.66

Q: K Match each equation with a graph above |2(0.66)* a. green (G) 2(0.83)" b. red (R) 2(1.28)" C.…

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Q: 3. Find the geometric mean between 8x and x²/2.

A: Given: The expressions are 8x and x32 To find the geometric mean between 8x and x32 If the geometric…

Q: - 0.5, Exy = 120, Er" = 90, o, = 8 where x and y are deviation from arithmetic average. Find the…

A:

Q: Find mean if n is 2 and p is 0.4

A: Given n=2 p=0.4

Q: s 9, (1) find x (2) find the mean of the last three observations..

A:

Q: Let X-Bin(7,0.5), then P(X >4|X >3) is

A: Given information: X~B7,0.5. The probability mass function for X is, PX=x=nxpx1-pn-x, x=0,1,2.....,n…

Q: John's answering machine receives about 28 telephone calls between 8:00 am and 8:00 pm. Let X = the…

A: John's answering machine receives about 28 telephone calls between 8:00 am and 8:00 pm.  This means…

Q: Approximate x to three significant figures.

A: Our Aim is to approximate the x in the equation given below uptothree significant figures.ln(x)=-1.6…

Q: n=8,p=0.2,x<4

A:

Q: *find the value of z such that P(Z>z)=0.036

A: