11.1 Events A and B are independent .Given that ● P(A only) = 0.4 P(A and B)= 0.3 P(B only) = x P(not (A or B)) = y Are events A and B mutually exclusive? Justify your answer. Calculate P(A and B) Determine the values of x and y. . ● • 11.1.1 11.1.2 11.1.3

Q: Let ? denote the true average reaction time to a certain stimulus. For a z test of  H0: ? = 5…

A: Obtain the P-value.   Use Excel to obtain the probability value for z =1.41   Follow the…

Q: If 0 <P<T, find the value of P = sin + tan (1) 2 + cos

A:

Q: If two persons A and B are attending a test with %3D P(A)=0.45, P(B)=D0.36 then PAUB)= O a. 0.648 O…

A: Answer: Option a. 0.648 Explanation: If two persons A and B attending a test with PA=0.45 and…

Q: 2. Let A= 2 7). Find et.

A: We need to find out the eAt.

Q: Given the following contingency table, conduct a test for independence at the 10% significance…

A: There are two categorical variables which are Variable A and Variable B. We have to test whether the…

Q: Calculate the co-efficient of correlation and the lines of regression for the following data: 1 2 3…

A: Given that  X Y 1 9 2 8 3 10 4 12 5 11 6 13 7 14 8 16 9 15

Q: Which of the following are true if X : Bin (6, .3)? A. E(X) = 6.3 B. E(X) = 1.8 C. E(X) = 5.7 D.…

A: Given that, X follows Binomial (6, 0.3)

Q: 14. Given P(A) = 0.25, P(B) = 0.28, and P(B|A) = 0.28, are A and B independent or dependent?

A: Given that: P(A) 0.25 P(B)=0.28 P(B|A) =0.28

Q: 1. Let P(A) = 0.4 and P(AUB) = 0.6. For what value of P(B) are A and B independent?

A: To find The value of P(B) such that A nad B are independent

Q: 1. Which is the missing tile? 价 介 A C D

A: Given problem Given that   Which is the missing tile ?

Q: If P(An B) = 0.3 find P(A U B°) O 1 0.3 0.7

A:

Q: Suppose that two balanced dice are rolled and let X denote the absolute value of the difference…

A: Given that two balanced dice are rolled and let X denote the absolute value of the difference…

Q: Let x = time spent waiting in a doctor’s office.   Which of the following statements is false?…

A: given that X is the time spent waiting in the doctor's office.

Q: CBS news reported that 4% of adult Americans have a food allergy consider selecting 10 adult…

A:

Q: can the assumption of the researcher be placed on Ha instead of Ho? ex. the assumption of the…

A: Here identifying which type of statement included in null and alternative

Q: A chi-square test for independence is being used to evaluate the relationship between two variables.…

A: It is given that the degrees of freedom is 3.

Q: 1.) Please find the following probabilities of A, B, C? A.) ?(? ≤ −1.2)= B.) ?(? ≥ 0.08) = C.)…

A: Given: A.) P(Z ≤ −1.2) B.) P(Z ≥ 0.08)  C.) P(0.23 ≤ Z ≤ 1.40)

Q: A. Nine students held their breath, once after breathing normally and relaxing for one minute, and…

A: Solution:  X Y (X-X) (Y-Y) (X-X)(Y-Y) (X-X)2 (Y-Y)2 56 87 2.3333 8.8889 20.74047 5.444289…

Q: Find y". 10 ..... 24 16 2 O A. 10- B. 12 10 + 8 10 + OC. 48 10 + 16 10- OD.

A:

Q: 3. A personal trainer claims that their exercise programme will lead to a re- duction in weight. The…

A: In order to determine whether the trainer's claim is valid or not, conduct a paired mean difference…

Q: 3. р Л~ q

A: To write the truth table for p∧~q

Q: If P(A)-=0.7, P(B)=0.3, and P(A and B)=0.07, are A and B independent?

A: The probabilities are PA=0.7,PB=0.3, and PA and B=0.07. If the event A and B are said to be…

Q: Consider the following information. P(Z) = 0.73 P(A) = 0.25 P(Z and A) = 0.15 Part A: Determine…

A:

Q: (a) The kinds of sports teams at the college. Answer: (b) G.P.A of incoming freshmen. Answer: (c)…

A: Categorical variables are those who can be divided in to different groups. The quantitative…

Q: A. Fail to reject H, because the P-value, 0.0433, is greater than a = 0.05. B. Fail to reject H,…

A: It is known that if the p-value is greater than the level of significance, the null hypothesis does…

Q: A chi-square test for independence is being used to evaluate the relationship between two variables.…

A:

Q: situation (one each) by which the different inferential statistics can be used. State the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: as one variable increases... A). the other variable decreases, and vice versa in a negatve…

A: Two variables are said to be negative in statistical relationship if they are deviating in opposite…

Q: Determine, if possible, the affine cipher C = aP + b (mod 26) that sends plaintext "OK" to…

A: Introduction. To find the affine cipher which sends the plaintext to ciphertext we have to use the…

Q: If P and Q are sets and n(T) = 6 and n(W) = 3, then n(P u Q) = 9. %3D True False

A: Here, given that P and Q sets and n(T)=6,n(W)=3. So, there is no condition on P and Q. So we can not…

Q: Choose the best answer. Please show the computation and explain the answer.  Which of the following…

A: In question, Given that I) A and B are independent variables with means of 6 and 8, respectively.…

Q: A fast food restaurant boasts that their mean wait time in the drive-thru line is less than 3…

A: Given Information: Number of customers n=125 Sample mean wait time x¯=2.82 Population standard…

Q: Given P(A) = 0.25, P(B) = 0.28, and P(B|A) = 0.28, are A and B independent or dependent?

A: P(A) = 0.25, P(B) = 0.28 and P(B|A)= 0.28 For independence of two events, we must have P(A and B) =…

Q: Express the altermative hypothesis in symbolic form. An automobile technician claims that the mean…

A: Given Technical claim that mean amount time per domestic car repair is more than that of foreign car…