Consider the situation in which we ask 41 students to select their preference between studying alone or studying groups. The results were 17 prefer the studying alone and 24 prefer studying in groups. The chi-square value is

Q: Jenny picked a large basket of apples. She gave 1/4 to Jerome and then gave 1/3 of the remaining…

A: here we are using trail and error method to find the solution if we consider option A  if jenny…

Q: Given P(A) = 0.36, P(A and B) = 0.32, P(A or B) = 0.50, what is P(B)? Answer in decimal form.…

A: From the provided information, P(A) = 0.36, P(A and B) = 0.32, P(A or B) = 0.50

Q: Given M1 = −5, s1 = 4.6, n1 = 72, M2 = − 1, s2 = 3.3, and n2 = 60, calculate t.

A:

Q: What is the P(- 0.34 Z - 0.97) a.-0.2009 b. -0.0526 c.0.2009 d.0.0526

A: P(- 0.34 <Z <- 0.97)=?

Q: D. Find the IQR for the average of 18 cities. Q1 = Q3 = IQR:

A: We have given that Mean(µ) = 8.5Standard deviations (σ) = 1.4X ~ N (µ, σ )= N (8.5, 1.4)n = 18 Mean=…

Q: If X = 17.34, s = 5.45, and M = 24.88, what is z?

A: Given: X = 17.34 s = 5.45 M = 24.88

Q: Given P(A and B) = 0.30, P(B) = 0.50, P(B|A) = 0.98, what is P(A)? Answer in decimal form.  Round…

A: According to the given information, we have P(A and B)=0.30P(B) = 0.50andP(B|A)=0.98

Q: Thank you..why did they use midpoints for the football scores rather than regular numbers as a 14,…

A: GivenThe frequency  distribution and relative frequencies as shown below

Q: Given P(A) = 0.42, P(B) = 0.44, and P(A and B) = 0.22, what is P(A or B)? Answer in decimal form.…

A:

Q: Given P(B) = 0.41, P(A and B) = 0.23, P(A or B) = 0.50, what is P(A)? Answer in decimal form.  Round…

A: Let A and B are two events The known probabilities are, The formula for calculating the probability…

Q: Match these values of r with the accompanying​ scatterplots: −0.997​, 0.699​, 1​, −0.352​, and…

A: The scatterplots and correlations are given.

Q: ate Kobe was 6'6" (or 78 inches).  Suppose the average height of men is 5'9" (or 69") and SD is 3".…

A:

Q: Given P(A) = 0.34, P(B) = 0.33, P(A or B) = 0.24, what is P(A and B)? Answer in decimal form.…

A: Given,P(A)=0.34P(B)=0.33P(A or B)=0.24

Q: In a sample of 45 men, 27 said that they had less leisure time today than they had 10 years ago. In…

A:

Q: Given P(B) = 0.47, P(A and B) = 0.29, P(A or B) = 0.55, what is P(A)?   Answer in decimal form.…

A:

Q: Given P(A) = 0.31, P(B) = 0.28, and P(A and B) = 0.14, what is P(A or B)? Answer in decimal form.…

A: Ans - Given P(A) = 0.31, P(B) = 0.28, and P(A and B) = 0.14, what is P(A or B)?

Q: Jennifer wants to estimate the percentage of parents that use cloth diapers. She asks a randomly…

A: Solution: It is given that Jennifer wants to estimate the percentage of parents that use cloth…

Q: Time required for the production of the twelfth 787:

A: Given that, Time taken by Boeing to produce the sixth 787 jet = 28718 hours                   The…

Q: Given P(A) = 0.42, P(B) = 0.46, P(A or B) = 0.33, what is P(A and B)? Answer in decimal form.…

A:

Q: Given Ho: p=0.94,what will be the Ha?

A:

Q: ind the proportion of women who are more than   inches tall.

A: To proceed, I need the following information:1. The mean height of the women.2. The standard…

Q: In a sample of 47 men, 36 said that they had less leisure time today than they had 10 years ago. In…

A: We have to perform test for difference in two proportion.

Q: Calculate the SD for these scores:

A: Given that,Sample size To find the standard deviation of the data.

Q: Simplify -214 144³

A:

Q: Given P(A) = 0.27, P(A and B) = 0.33, P(A or B) = 0.41, what is P(B)? Answer in decimal form.…

A: Formula : P(A or B) = P(A) + P(B) - P(A and B)

Q: The displaced students from the Trapezoid Plane were sent to complete their school year at GWHS.…

A: From the data: P(Strawberry and Ice cream)=19/464 P( Ice cream)=193/464

Q: Given P(B) = 0.28, P(A and B) = 0.29, P(A or B) = 0.45, what is P(A)? Answer in decimal form.…

A: Given :  P(B) = 0.28 P(A and B) = 0.29 P(A or B) = 0.45

Q: A math teacher claims that she has developed a review course that increases the scores of students…

A:

Q: P(6/6 of hearts)=

A: Approach to solving the question/Detailed explanation: 1. Understanding ProbabilityProbability…