if n = 60,272,5=10, For testing Select one a Z=-2.32 OD Z-2.32 1 232 d. 1-2.32 H₂=75 vs H: >75, the test statistic is

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A:

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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: An attorney claims that more than 25% of all lawyers advertise. A sample of 200 lawyers in a certain…

A: Claim:p>0.25   n=200       x=63       p∧=xn=63200=0.315   α=0.05 ∴H0:  p=0.25     H1:   p>0.25…

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A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: 7x2 - 5x = 0 %3D

A: Topic:- calculus

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A: The distribution of proportion should be normally distributed. z-score = 1.5

Q: Using the results r(128) = –.64, p > .05, what is the most appropriate conclusion? A. r is not…

A: It is given that:The value of correlation coefficient between X and Y for 128 observations: The…

Q: T= 2.326, degrees of freedom = 200 , 1 tailed test. Find P.

A: The test statistic T=2.326 The degrees of freedom df=200 , This is a one-tailed test.

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A: Givenn=48x=19p^=xn=1948=0.3958α=0.02

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A: The observed pH value is 6.32.The mean pH of Tap water is calculated as follows:

Q: #1 = $48,877 a2 = $55,157 81 = $16,000 82 = $12,000 a. Formulate hypotheses so that, if the null…

A: Given Data : For Finance majors x̄1 = 48877.0 s1 = 16000.0 n1 = 130…

Q: Use the given data test the indicated X S a Me 10 191 96.7 37.5 0.05 M²90

A: Given that n=191 x=96.7s=37.5α=0.05

Q: 32 57° X = 58.8, y = 38.2 b. x= 17.4, y z 26.8 a. * × 38.2, y = 58.8 * 26.8, y = 17.4 C. d.

A:

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A: Average daily temperature of first week in May is 88 degrees. The first week had recorded…

Q: 11 12 •B 13 12 11 7- 19 Which point represents (3, 31/4) Select one: O A O B O F O E ire

A: Explanation of the answer is as follows

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Q: How did it resulted to 0.8749 at letter b? As I review the z-score table, z = -1.15 is equivalent to…

A: Actually you have seen the table for for left tailed side i.e. P(Z < -1.15)  But we have to solve…

Q: 7. Give two reasonable estimates (within an error of 10) for 1270 ÷3.

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Q: Determine the P-value for a one sided test with t = 1.75 and n=16 O a. 0.075 Ob. 0.05 O c 0.0375

A: we will find the p value from t table for one tailed test.

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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: n = 3 = 5.196 10.392

A: Given: The values  (5.196 , 2π , 10.392 ).   To determine: What are the given values represents?

Q: Model 1 Coefficients Unstandardized Coefficients B Std. Error -386.390 .476 -158.827 .185 (Constant)…

A: Given is a regression analysis to study association b/w spending and income. Given α=0.05.

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A: bag contains 10 discs with one of the digit 1,2,3 written in each disc. we have to find lowest and…

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…

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A: We need to identify appropriate test statistic

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Q: Name: 1. Consider the test of Họ: of = o3 against H;: of + 03. Estimate the p-value for the…

A: We have given that  1) f0=3 , n1=10 , n2=8

Q: What is mean by 2πι ( ΝΑ) V = :<V_ = 2.405 %3D

A:

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

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: 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

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Q: Given the normally distributed r.v. x with o= 2 and Px > 15) = 0.9938 then equals Select one: a.…

A: Given, σ = 2 P(x&gt;15) = 0.9938

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A: Given Data

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

A: Given n=2 p=0.4