Determine the expected cont for each outcome. n=772 1 3 4 Pi 0·11 0·43 0.18 0.28 The expected count for outcome 4 is rand to two decimal places as needed

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A: Let us first test whether “The population of advertising expenses follows normal probability…

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A: Explanation of the solution is given below....

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Q: If P(A) 0.4, P(AUB)=D0.78, P(B/A)=0.34 Find P(B) (3 minutes) O a. 0.204 O b. 0.672 Oc. 0.923 O d.…

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Q: = .7 and p, = .6. Test Ho: (P, – P2) =0 against Ho: (P, - P2) >0 using. .05 a =

A: Hypothesis testing about the difference between two population proportions is otherwise called…

Q: 0.5 X=1.8 X = 2 S = 0.5 S = Z=

A: Ans#- Given, X¯ = 2, S = 0.5 and X = 1.8           Find Z = ?

Q: with Decimals

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Q: feels that the commute in his city is less and wants to publicize this. He randomly selects 25…

A: The hypotheses are given as follows: Null hypothesis: µ=25.4. Alternative hypothesis: µ<25.4.…

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Q: The first digits of legitimate records such as invoices and expense account claims often follow the…

A: Introduction: It is required to test if there is sufficient evidence to indicate that the first…

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A: Given: Observed frequency table.  Had sexual intercourse Both biological and adoptive parents…

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A: Solution-: Determine the two values of z such that the middle 12% of the data lie between the two…

Q: A. Assuming n = 30, find the t scores that enclose: the middlemost 90% of the area under the curve…

A: To find t scores forA )The n=30 when,the middlemost 90% of the area under the curvethe middlemost…

Q: 115°

A: Here given as Use property of intersecting lines ∠s=∠k ......1∠k+115=180   ......(2)

Q: he variance of the event of a coin being thrown four times equal to the center of gravity is the…

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Q: Find the value of za. a = 0.23 The value of zo.23 is (Round to two decimal places as needed.)

A: From the provided information, The level of significance (α) = 0.23

Q: Find the z-score for each score in the population. Round each of your z-scores to two decimal…

A: The importance of standard normal curve lies in the fact that one has not to tabulate probability…

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: Given the function f(z) = 4x + 1 defined on the interval (0,5), denote by fe the even extension on…

A: Our objective is given below:

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A: a)   Step-by-step software procedure to draw scatter plot using Excel software is given below:…

Q: 38°F 甲 0 直 0 v 1.8 VI 4p. %$4 3. 1 2 6. 4 5 6. 8. 7. Sorry, that's incorrect. Try again? probability…

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Q: T= (round 2 decimal places  P value= round 3 decimal places

A: The appropriate Null and Alternative Hypotheses are given below:   Given that µd is the mean…

Q: eg Show thaf Full likely hod ven by W - M

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Q: c= 0.98, o=7.3, and E= 1 Assume that a preliminary sample has at least 30 me n3= (Round up to the…

A: Provided information: C=0.98 Standard deviation = 7.3 Margin of error = 1

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

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Q: Assume the data set described is normally distributed with the given mean and standard deviation,…

A: Mean= 8 Standard deviation = 1.9 n= 45 Range: 6.1 to 9.9 We need to find the approximate number of…

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Q: Between z= 0 and z= 3.18

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A: Option :- B. 2.492 Followings are the explanation of the question Hypothesized Population Mean (µ) =…

Q: Calculate the Standard Score of • the given x value. X=91, where X N = 84,5 and 6=79.7 Round your…

A: From the provided information, Mean (µ) = 84.5 Standard deviation (σ) = 79.7

Q: H.W2: A pyrometer is specified as having a repeatability of +0.4% of full-scale reading when used on…

A: A pyrometer is specified as having a repeatability of ±0.4% of full-scale reading when used on its…

Q: H, : µ = 47.6 and H, : µ < 47.6 whereu = the mean age of teachers at Ravenwood High School. The…

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