Reject Họ. There is sufficient evidence to conclude that the average credit score for mortgages purchased by the company has increased since 2017. b. Determine the precise p-value for this test using Excel. The p-value is O. (Round to three decimal places as needed.)

Q: Given P(A) = 0.7 and P(B) = 0.8. If P(A/B) = 0.3 find P(A and B).

A: Given that  P(A)=0.7 , P(B)=0.8 P(A/B)=0.3

Q: How would i find the p-value?

A: The test statistic is -1.41.

Q: As an economics class project, Debbie studied a random sample of 14 stocks. For each of these…

A:

Q: -3.14-2z z=4.12

A: Evaluating -3.14-2z :

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: Santa was interested in increasing toy productivity. He randomly assigned elves into 2 separate…

A: Introduction: It is required to identify the suitable type of test.

Q: P (green) = .5; P (white) = .5. What is P (white and green)?

A: From the provided information, P (green) = 0.5 and P (white) = 0.5

Q: sample of 150 married women determined that 127 are happy in their marriage. A sample of 150 married…

A: The proportion is calculated by number of favorable event and the total sample size. Sample…

Q: School of Computing did a survey on the IQ and the score in a Database test of a sample of 10…

A: Given data: Student IQ(x) Database Score(y) A 110 26 B 107 31 C 127 37 D 100 20 E 132…

Q: If P(B) = 0.3, P(A or B)= .06, and P(A and B)= .2, find P(A)

A: From the properties of probability, for any two events A and B we have

Q: P(z>-1.80)=

A: Given : z=-1.80

Q: Evaluate p = 12 || x₁ + x2 n₁ + n₂ for x₁ = 2, X₂ = 15, n₁ = 53, and n₂ = 34. (Round to four decimal…

A:

Q: If P(A) = 0.5 and P(B) = 0.80, then P(A or B) must be 0.95.   TRUE or FALSE

A: From the provided information, P (A) = 0.5 and P (B) = 0.80

Q: find p (z<0.92) refer to the table of x-scores

A: p (z&lt;0.92) =?

Q: how did you get P(x=4) in part ii?

A: The sample size 10, the probability of throwing red is 0.78.

Q: What is P(X>6)?

A:

Q: Suppose P(A) = 0.6 and P(B| A) = 0.4. Find P(A&amp;B).

A:

Q: If P(A) =0.55 and P(A and B) =0.22. A and B are independent, find P(B)=?

A: It is given that  P(A) =0.55  P(A and B) =0.22 Given, Event A and B are independent then, P(A and B)…

Q: Q2.  Is the average time to complete an obstacle course shorter when a patch is placed over the…

A: The data is given as- Right Left 44 43 44 46 43 47 47 51 43 46 45 43 46 50 48 50…

Q: The manager of a local record store is interested in the effectiveness of an advertising campaign on…

A:

Q: you have two results for p= technically which one is the correct reference?

A: We have to find the value of p.

Q: A sample of n equals 20 scores is transformed into z-scores what is the meaning for the set of 20…

A:

Q: Fill in the blanks: Write exact answers, except for the p-value. A company claims that each of their…

A:

Q: The mean time for the 100 yard dash for adolescents is 12.04 seconds (M = 12.04, s = 4.1). A runner…

A: Given :  The mean time for the 100 yard dash for adolescents is 12.04 seconds (M = 12.04, s = 4.1).…

Q: below. Let B = the set of patients with high blood pressure. Let C= the set of patients with high…

A: Topic - Sets We are given: n(B)=39n(C)=32andn(B∩C)=14

Q: doing. Based on a 95% confidence interval, is it possible Obama still had majority support at that…

A:

Q: Find P (-0. 55 < z < 2.51)

A:

Q: If P(A)= 0.2, P(B)= 0.32 Calculate P(A and B)?

A: Answer:- Given, P(A) = 0.2  And P(B) = 0.32  Using formula,  According to the given information we…

Q: Find P( -2.56 < z < <z<1.92)   a. 0.967   b. 0.241   c. -0.241   d. 0.032

A: Followings are the explanation of the question   Let z be the standard normal variables follows the…

Q: Round to the fourth a) Find P(Z<-3.3)=

A: Solution-: We find, P(Z&lt;-3.3)=?

Q: The expression S(Xi) directs us to find the  sum of scores median  average of the scores  middle…

A: The expression S(Xi) directs us to find the sum of scores

Q: A previous student of this class was curious about the relationship between number of hours a person…

A: Solution: Given data

Q: (a) Find the number of these patients that had either high blood pressure or high cholesterol…

A: A survey was conducted among 68 patients admitted to a hospital cardiac unit during a two-week…

Q: The Chair of Psychology, Dr. Vicary, takes her cat, Fluff,  to the veterinarian for an annual…

A: Given Data: Fluff's Weight Z =  -1.88  Fluff's Temperature Z =  1.15   Z-score represents the…

Q: How do we calculate p?

A: Introduction: P-value: The P-value is the probability of obtaining a test statistic value as extreme…

Q: Let P(A) = 0.2 and P(B) = 0.5. If P(A|B) = 0.3, calculate P(A and B

A: Given data, P(A) = 0.2   P(B) = 0.5 P(A|B) = 0.3 P(A and B)=?

Q: If P(E) = 0.60, P(E or F) = 0.75, and P(E and F) = 0.10, find P(F). P(F) = (Simplify your answer.)

A:

Q: If P(A) = 0.431, what is the value of P(A)?

A: Given :  P(A)  = 0.431