-3.14-2z z=4.12

Q: Mean height of male workers is 70 inches and the S.D. is 2.9 inches. The corresponding numbers for…

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Q: Marks Number of Students 8. 4 10 9. 6. 6. 8. 4. 9. 3 If the average marks for all the fifty students…

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Q: (2 h(t) = t4

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Q: H(s) = 13s² + 46s + 133 (s + 1)² (s² + 6s +25)

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Q: 3. NM 4. XZ 5. NZ 10.2 5.6 6. MZLMN 7. MZYXZ 8. MZXLM N 29°

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

Q: The two major tests used to assess readiness for college are SAT and ACT. ACT scores N(21.5, 3.2)…

A: Z - score :  It is also called as standard normal variate . Z score follows normal distribution with…

Q: 3(s + 1) d. (s+1)2 +4

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Q: 216 X(s) = s4+5s3+15s2+45s+54 2s-9 Y(s): s(s2+10s+146)

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Q: The z value tells us the number of ____________ that a value of x is from the mean

A: The z value tells us the number of Standard Deviations that a value of x is from the mean

Q: The mean for the cost is $ (Round to the nearest cent as needed.)

A: The mean formula for the frequency distribution is, x¯=1n∑fixii In the formula, n is the total…

Q: 6) What is the value (s) of the variable? 14

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Q: below. 12 1 11 10 9 4. 8 3. 2.

A: Define the event, E : multiple of 2 If the spinner is wheeled then total number of outcomes in the…

Q: Mean height of male workers is 70 inches and the S.D. is 2.9 inches. The corresponding numbers for…

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Q: p(s x>46)_____

A: Given that  Mean of x (m x) = μ=51 Standard deviation = s x = σ = 23 Sample size  (n) = 5   We know…

Q: No it's not for a grade.

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Q: You sampled 13 people and got their pre-diet weight and post-diet weight. If α=.05α=.05, the test…

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Q: evaluate L-1 { t/(s-2)(s+3)}

A: By using partial fraction and table of Laplace transform we solve the given problem as follows :

Q: Plot the following six points: (- 5, 4) (1, 3) (- 2, – 1) (4, 0) (2, – 3) (0, - 2)

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Q: 1 {}} = [ S8 L-1

A: Given function is 1s9

Q: g. P(z<zo) = 0.5 h. P(zszo) = 0.0091

A: Given:  z be the standard normal variate N(0,1)  to find value of Z0  g): p(Z&lt;Z0)=0.5  h):…

Q: h(t)=3t+2h(t)=3t+2; Find h(−10)h(-10)

A: h(t) = 3t + 2  We have to find h(-10)

Q: The absolute value for the difference between the two ladies z-score is

A: Let , X→N(μ=15.7 , σ=7.43) Since , the Rena's score on the exam is 9 and Sara's score was 25. We…

Q: n(B) P(B) 36 n(S) 15 z 0.084 429

A: Farmula  nCr=n!/(r!*(n-r)!)

Q: Two types of medical devices used for knee replacement are being studied to see if the type of knee…

A: Given, The infection rate for a specific bacterial infection after surgery for device A is 0.0043.…

Q: Y4 19 18 17 16 15 14 13 12 11 10

A: given

Q: L[t?e-3t] = ? 3! 3! (s+3)2 (s+3)3 2! 2! (s+3)2 (s+3)3

A: To find- ℒt2e-3t = ?     Formula Used-  ℒtneat = n!s - an+1

Q: eristics 0.58, P(B) = 0.46,

A: Given THAT, 1) P(A)=0.58 2)

Q: Find the Z-score if X = 23, 17, o = 2.5 Write the Z-score rounded to 2 decimal places.

A: Given X=23 Mu= 17 σ=2.5

Q: Find the z-score z_0.025

A: The random variable z represents the standard normal distribution with parameters . The Excel…

Q: How would you interpret a z score of ‐3.0?

A: To finde z score we need mean (mu) and standard deviation (sigma) of the sample. We Calculate z…

Q: 1 L-1 (s-1)(s-3)(s-4).

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Q: researchers calculated for their study that the mean difference () = 5.65 and the SE of the Mean…

A: Solution: From the given information, the mean difference is 5.65 and the SE of the mean difference…

Q: The mean of Fred's 6 test Scores is 86. His teacher will drop his lowest grade of 78. What is Fred's…

A: Given The mean of Fred's 6 test score is 86. His teacher will drop his lowest grade of 78. So we…

Q: 2. How much of the data can we estimate to be between x-values -2 and 102? There is approximately %…

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Q: 5. S V16dy = 6. J 2 V8dc 7. J 3 27dx

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Q: O mean increases by 7.6

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Q: 3. What is the value of X +1 for the scores 1,0,2,4? 4. What is the value of (X-1)² for the scores…

A: Suppose fX is defined for X=x1,x2x3,……,xn then the value of the summation ∑fX for X=x1,x2x3,……,xn…

Q: What is the p value and z value?

A: The sample sizes are 400 and 500.

Q: What about the p value and t values

A: From the given output, the sample size n is 15.

Q: then your mean of grades=

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Q: (i) Interpolate the missing entries | 0 | 1 | 2| 3 | 4 | 5 y= f(x) | 0 | – 8 15 35

A: We will solve it by Newton's Divided Difference formula x f(x) f[xi,xj] f[xi,xj,xk]…

Q: S(x+1)² + (y – 4)² = 16 L(x + 1)? – 12 (y – 2)? = 0 1.

A: Given the equations(x+1)2+(y−4)2=16        .......(1)(x+1)2−12(y−2)2=0      ........(2)

Q: Do we not get the a-value by dividing the sum of the max and min by 2? I'm a bit lost

A: Solution

Q: The pass result of fifty students who took up a class test is given below : Marks Number of Students…

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Q: The correlation between the heights ( measured in inches ) of brothers and the heights of their…

A: Solution Given the correlation between the height of  brothers and the heights of their sister is r=…

Q: d. P(-2.50 < Z < 2.50) e. P(Z < 1.37) f. P(-1.75 < Z)

A: Z-score: The z-score value is a numerical measurement that describes a value's of relationship to…

Q: 3 1 41[2 7 X||8 2 6 5Jl1 8 [18 55 19 51 89 59 [57 66 60] 3- Find the Value of X :- 1 5 81= 8 21

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Q: nds of dollars) when the percentage of employment in STE O Mean Annu

A: The estimated regression equation for predicting the mean annual wage using percentage of employment…

Q: A. y В. 10 10 9. 8. 6. 12345 67 8910 123456789 10 C. D. y 10 6. 8. 6. 3 2. 23456789 10 1234567 8 9…

A: Graph problem....

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.