F(6,30) = 2.81, p < .05. For the results in APA format above, how many groups were tested

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: A certain test is worth125 points. How many points (rounded to the nearest point) are needed to…

A: A certain test is worth125 points.

Q: Find P(1.73< Z < 2.16)     a. 0.4334 b. 0.0263 c. 0.02641 d. 0.9428

A:

Q: Show how you reached the final answer An ectopic pregnancy is twice as likely if a woman smokes…

A: Let S be the event that a woman is a smoker E be the event that a pregnancy is ectopic P(E|S) =…

Q: Which number has the least value and why? A. flve hundred twenty thousandths B. elght hundredths C…

A:

Q: A When calculating the difference of proportions, the values of -1 and 1 are the V possible…

A: Given:When calculating the difference of proportions, the values of -1 and 1 are the possible…

Q: What z value is associated with the fewest 59%? Select one: a. -0.23 b. 0.22 c. 2.22 d. 0.27 e.…

A:

Q: The number of degrees of freedom for a chi-square test is calculated as a. n-1.…

A: The number of degrees of freedom for a chi-square test is calculated as Solution: Correct option is…

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: P(1.10 s z) P(IZ| s 2.50)

A: Here use normal distribution table for probability from z score

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: 10 % 3 * 3 – (1 + 2)  = ?

A: We need to find the answer to algebraic operation.

Q: Suppose r is .84, compute proportion of variation is explained?

A: From the given information, it is observed that r=0.84.

Q: At a class, 50% of the students are sophomores and 20% of the students like tennis. Thirty percent…

A:

Q: Now suppose Albert makes n = 30 rolls, and a 2 comes up 6 times out of the 30 rolls. Determine the…

A: Die is rolled 30 times the probability of coming 2 is p0=1/6  2 comes up 6 times x=6 then sample…

Q: why is the P(D) not = 0.03 (3/100 cars)

A: Let D be the event that a car is defective, and C be the event that a defective car is checked. We…

Q: Q.3.5 Determine the average % mark obtained by all students for the English test. Use an appropriate…

A: Average provide the center value of the given set. The average is obtained by adding all the…

Q: Find the number of different selections of 4 letters from the word STATISTICS.

A: "STATISTICS" No.of letters in the word " STATISTICS " =10

Q: Given P(A or B)=0.21, P(A)=0.43, P(B)=.005 What is B

A: The general formula of probability is given by, (P(A or B)=P(A)+P(B)-P(A and B) For this case,…

Q: Find P (z > 2.59)

A: We have to find  P (z &gt; 2.59) = ?

Q: Eight consecutive heart beats of a patient per minute are:     72 75 76 (p+3) 71 73 74 p If…

A: Given that,The sample mean  is 75.The data is: 727576      717374            The objective is to…

Q: school has 1600 students and they are going to vote as to whether they will completely convert the…

A:

Q: M= 90 SD= 7.8 What raw score is needed to be in the top 8%?

A: *Mean μ=90SD σ=7.8Top 8%⇒P(X&gt;x)=0.08⇒P(X≤x)=092Corresponding  z-score is obtained as

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: 39 8. 6 10 10. 10

A: We have to solve    (a). 3/9 = 9/x    (b).  6/10 = 10/x

Q: x-bar = 45.5, s = 4.81, N = 50   1.) 17% thought of the class thought I was younger than what age?…

A: Given that, x-bar = 45.5, s = 4.81, N = 50

Q: In a sample of 58 men, 44 said that they had less leisure time today than they had 10 years ago. In…

A: Given data: Significance level= 0.10

Q: P(-3.25<Z<-2.1)=

A:

Q: Which of the following are equivalent to 28 out of 1,000? There may be more than one answer. Hint:…

A: Here, we have to check that which of the following are equivalent to 28 out of 1,000.

Q: Suppose P(A) = 0.76, P(B) = 0.12 and P(A or B) = 0.54. Determine P(A and B).

A: The information provided in the question are as follows :- P(A) = 0.76 P(B) = 0.12 And P(A or B) =…

Q: 6. 26 - (2.33 A) - (A) %3D

A:

Q: O 30.94%

A: The probability is given as , Pr0.45≤z≤2.12. To find the area under normal distribution for the…

Q: Can you calculate the grades. The green ones are the grades got on each exam.

A: To calculate the grades of the marks obtained in each exam that are represented by color green.…

Q: Given P(AandB) = 0.08 P(A) = 0.52 , what is P(B|A)

A: Given,

Q: The boxplot below shows the precipitation in Chicago, IL (in inches) over the past 30 years. In how…

A:

Q: Independent random samples of sizes n, = 16 and n2 o = 4.8 and o, = 3.5 have the means , = 18.2 and…

A: Given : n1=16 , n2=25 , X1-bar=18.2 , X2-bar=23.4 ,  σ1=4.8 , σ2=3.5  , α=0.01 Our aim is to find…

Q: given that P(A or B) = 1/3, P(A) = 1/7, and P(A and B) = 1/8, find P(B) a. 101/168 b. 159/168 c.…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule states that:\

Q: What is 5% of 360?

A:

Q: Give the expected value and standard deviation of p. Expected value, Hp = Round your answer to 2…

A: We want to find the mean and standard deviation and probability

Q: P(Z < 0.58) = %3D 0. J0.2 J0.8 0.28 0.72

A: Given that, P(Z&lt;0.58)

Q: 1/2+4/5=?and then find the answer as a percentage?

A: We have

Q: n a Sample of 846 patients 15 was fend that 68% Of them hael a cerfin pisease..Test Claim that the…

A: For the given data Perform z test for one proportion

Q: number divisor. * 70% • w = 14 0.7 w 14 0.7 0.7 14 0.7 W 0.7/14 W W =7

A: 70% · w = 14 70100 · w = 14 0.7 · w = 14 0.7 · w0.7 = 140.7 w = 140.7 w = 0.7 14 w = 7 140 w =…