find P(A or B)

Q: Last week Sarah had exams in math and in Spanish. On the math exam, the mean was u = 4 with o = 5,…

A: Given that the math exam with mean was is μ=40 and σ=5. And Sarah had a score of X=45. Z score for…

Q: Given P(B) = 0.47, P(A and B) = 0.10, P(A or B) = 0.51, what is P(A)?

A: From the given information, the probability that occurring event B is 0.47, probability that…

Q: Q2: Evaluate feascos2 (y s) ds. إضافة ملف

A:

Q: If EF = 7 and FG = 5, what is EG?

A: Given: The lengths are EF = 7 and FG = 5.

Q: Given  P(x) = −3x2 − 4x + 2, evaluate P(−2).

A:

Q: A researcher rejected the null where r(146) = .148, p = .03 and concluded that the effect size was

A: Reviewing information, Given that, r=0.148p=0.03

Q: If you have a study in which 50 participants are randomly assigned to one of the three groups, the…

A: It is given that there are 50 participants and three groups. Thus, N=150 and k=3.

Q: A researcher rejected the null where r(146) = .148, p = .03 and concluded that the effect size was…

A: Conditions: If the value of r lie between 0.1 to 0.3 then the effect size is small. If the value of…

Q: What is the z-score of x, when x = 11 and X ~ N(8,1)? (round to nearest hundredth) If your answer…

A: Introduction: Consider X as a normally distributed random variable, with mean μ and standard…

Q: what is the P(A or B):

A: Given: We have given the probability of two events A and B. P(A)=0.3  and P(B)=0.2 To find P(A or…

Q: Dorothy Little purchased a mailing list of 2,000 names and addresses for her mail order business,…

A: From the provided information, the probability that the names list is non authentic, is 40%. That is…

Q: Given P(A and B) = 0.23, P(A) = 0.84, what is P(B|A)?

A:

Q: what is the table for (p ˄ q) → (p ˅ q)?

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Q: what is P(B)

A:

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: 1. Suppose you have a 88 on your daily assignments, 94 on your major tests, and a 80 on your final.…

A:

Q: Suppose 60 percent of the customers at pizza palooza order a square pizza, 70 percent order a soft…

A: Two events A and B are said to be independent, if P(A and B) = P(A)P(B).

Q: Given that P(A AND B)=0.37 and P(A|B)=0.68, what is P(B)?

A: Given, PA∩B=0.37PA|B=0.68

Q: The smaller a p-value is, the stronger it is against H.. O True O False

A: p value is the probability value which one is calculated under the test statistic.

Q: for the t test, one uses instead of O.

A: In this case, we need to identify the suitable answer for the given question.

Q: If P(An B) = 0.2 and P(B) = 0.8, what is P(A | B)?

A:

Q: Given that P(A and B) = 0.20 and P(A|B) = 0.40, what must the P(B) = ?

A: Given data, P(A∩B)= 0.20, P(A/B)= 0.40Conditional probability P(A/B) = P(A∩B)P(B)0.40 =…

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

A: We have to find the value of p.

Q: If ZDEG = ZFEG, DG = 4s, and FG = s + 33, what is FG? G F E FG =

A: Solution: The objective is to find the value of FG

Q: If p (a) = 0.999 what is the value of p(a)

A: From the given information, P(A)=0.999. Then, the value of complement of A is

Q: To the nearest tenth, what is p′(b) if p(x)=  0.6e x / In(x) and b=5?

A: We have been given a function and we need to approximate the value of its derivative at x = 5

Q: Suppose that P(A) = 1/3, P(B|A) = 1/2 and P(A|B) = 1/3 . Please find P(A°|B°) =?

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Q: the - 10, the sample size is 5% of the population size, and the sample Because npo (1- Po) = v…

A: Given:  Population proportion P =0.58 Sample size n  = 350 X = 210 Sample proportion p = x /n = 0.6…

Q: (d) The student prefers decaffeinated coffee, given that the student being selected from the male…

A: Given: data To find i) P(student prefer decaffeinated | student is male) ii) P(student is male |…

Q: Show p V (p ^ r) is equivalent to p.

A: We have to show p∨p∧r. We will show this using truth table. p r p∧r p∨p∧r T T T T T F F T F…

Q: for f(3,46) = 6.10, p >.01, how many levels of the independant variables were there

A: Solution f(3,46) = 6.10, p >.01,

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.25…

A: Given,n=1908x=439p^=xnp^=4391908=0.2301

Q: If the test result is significant at 5% level, it must also be significant at 1% level. True O False

A: Given : Significance level , α = 0.05

Q: t will be the domina ?

A: Given: Z is a complete graph with n vertices. To find : Domination number of R.

Q: In an experiment with three conditions, the means are 2, 4, and 9. What would be the value of L for…

A:

Q: If the p-value of a test is 0.022. what is your decision?

A: For making conclusion about null hypothesis Ho we compare p-value and level of significance.

Q: Suppose that P(A|B)=0.4 and P(B)=0.5. What is P(A B)?

A: Note: As per our company guidelines, we are supposed to answer only the first question. Kindly…

Q: Given P(A) = 0.45, P(A and B) = 0.15, P(A or B) = 0.55, what is P(B)?

A:

Q: p-value of the test is

A: Given- Sample size (n)=10 Sample mean (x)=27 Sample standard deviation =5.5 Population standard…

Q: If a you had two groups in a study Group 1 had a n=25 and Group 2 had a n=21, what would the df be…

A: Given that n1 = 25 and n2 =21.

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

A: Given :  P(A)  = 0.431

Q: Why is there more variation in the possible values of the studentized version of x¯than in the…

A: Because we are using s as an estimate of σ

Q: Here are the top 10 season hitting percentages for members of two baseoall teams, and you must…

A: Measure of central tendency used to measure the average of the observations in the data set. There…

Q: discuss the differences between Simple vs Factorial Designs, with examples. Elaborate when you would…

A: Simple Factor Design:  In simple factor, design helps in observing result on the basis of a single…

Q: is winning the election (in other words, his support rate is higher than 50%)?

A: Here confidence interval for proportion is as shown in further step

Q: Given that P(B|A) = 0.33 and P(A) = 0.20, what is P(A∩B)?

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Q: Suppose X~B(n,p) and E(X)=20,Var(X)=12, Can you find n=_ _p=_______?

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Q: Given P(A and B) = 0.23, P(A) = 0.46, what is P(B|A)?

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Q: A research report states t(18)=+3.00, p<. 05. For this test, r2 =. 33

A: