Simplify the following √x(x³n+1) a) 4n x

Q: On the semester final, Joe scored 80, Jill scored 89, and Bill scored a 94. What was the average…

A: We have to find out average score.

Q: Checkup One of the authors has an adopted grandson whose birth family members are very short. After…

A: A z-score, when expressed in standard deviation units, represents the location of a raw score in…

Q: how do you calculate the P-value without excel

A: From the given solution, we get z = -0.957    = -0.96       ( round upto 2 decimal places )…

Q: 14% of the towns population is over the age of 65 if there are 3320 residence over the age of 65…

A: Given Information:Data on the town population with the age over  is provided.There are  people in…

Q: Illustrate the Test R2 for significance?

A: Coefficient of determination: The coefficient of determination (r2) is the percentage of total…

Q: Television Set Ownership According to Nielsen Media Research, of all the U.S. households that owned…

A: Identify the claim.   The claim is stated below as follows:   From the information, given the…

Q: The medical researcher is comparing two treatments for lowering cholesterol: diet and meds. The…

A: The data for the patients who succeed in lowering their cholesterol by changing the diet as compared…

Q: 2. A swimming school claimed that the average seven-year-old would be able to swim across an…

A: The question is about hypo. testing Given : Randomly selected no. of participants ( n ) = 8 Level of…

Q: You roll a number cube. Find p (odd)

A: Number cube has 6 faces. The sample space is S={1,2,3,4,5,6} P(odd)=?

Q: Thank you for steps

A:

Q: Evaluate dpois(10,3.95)

A: The dpois(x,lambda) is R-function. This evaluates the probability mass function of poisson…

Q: If P(A) = 0.3, P(B) = 0.5, and P(A and B) = 0.2, find P(A or B). P(A or B) = Need Help? Read It

A:

Q: The mean waiting time at the drive-through of a fast-food restaurant from the time an order is…

A:

Q: how did you find the mean? why is it 72.5

A: Given data :  The observation in increasing order is 30, 40, 50, 50,50, 55, 55, 55, 60, 65, 70, 70,…

Q: A student scores in the 70th percentile on an exam. What does that mean? Choose the best answer.…

A: We know that the Percentile is used as a ranking of various students who take an exam. It means that…

Q: What is the mean for the combined set if both of the original samples have n = 4 scores? What is the…

A: Given that For sample 1, mean M1 = 8 For sample 2, mean M2 = 16

Q: a. Calculate μ, ², and o. b. Graph p(x). Locate , graph. -2, and μ + 2 on the c. What is the…

A: Farmula used  E(X)=∑xP(X=x)

Q: Use the information provided here to answer the following questions. H0 : p 60, n 36, Xbar = 58.…

A: option (a) which is the information provided characterizes one smaple, one sided test is correct…

Q: where did  you get 0.5 from

A: The mean of the distribution, The standard deviation of the distribution,

Q: What is the power of a test?

A: Power of test is the probability of rejecting the null hypothesis when it is false. Therefore, the…

Q: n = 15, p = 0.40, and x > 10

A: Givenn=15p=0.40x~Binomial(n=15,p=0.40)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1,..,n

Q: Maxera Corporation has designed a new video game controller. It took the company 52 minutes to…

A: given  the company 52 minutes to produce the first unit. the company uses a 75% learning rate for…

Q: 81 The Pepsi Challenge. "Take the Pepsi Challenge" was a famous marketing campaign used by the…

A: Given : number of success , x= 56.0 sample size, n = 100 Claim : more than half of all Diet…

Q: In Music, Linda scored 70%, and her score was at the 85th percentile.  In Art, Linda scored 95%,…

A: It is given that the stated person's scores (in percentage) in Music and Art are 70% and 95%…

Q: Find  P(A or B) for the following.  P(A)=0.20,P(B)=0.40, and  P(A and B)=0.02 P(A⁢ or B)= Enter…

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Q: ❎♦️♦️♦️✅❎♦️♦️✅✅♦️♦️

A: Step 1: Given that:Emily uses a coin toss to randomly select either her right hand or left hand.The…

Q: How do ypu find the preducted score is the price is $60

A: Let the independent variable (x) = price ($) Let the dependent variable (y) = overall score The…

Q: How does k=.067?

A: Since we want to find the z-score for the 75th percentile (top 25 percent), we need to find the…