If P(A)=0.15, P(A N B)=0.11 and P(A NB)=0.35 , then P(B) is equal to 0.39 0.61 0.35 0.50

Q: If there were 760 students in Jamal’s class, approximately how many students scored higher than…

A: The probability that z-score is greater than 1.41 is calculated as follows: PZ>1.41=1-PZ≤1.41…

Q: A sample of executives were surveyed about loyalty to their company. One of the questions was, “If…

A: According to given data the table is: Loyalty=A Length of service=B           Less than 1 year…

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Q: A biologist claims that nearly 45 percent of all Americans have brown eyes. A random sample of…

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Q: The daily demand for milk (in gallons) at Gillis Groceryis N(1,000, 100). How many gallons must be…

A: Given information: The daily demand for milk in gallons at Gillis follow Normal distribution  N…

Q: The percentage of hands that are winning blackjack hands is enter your response here​%

A: Since we have calculated probability of selecting a black jack hand is P(Black Jack hand) = 64/1326…

Q: In our Brockport sample of college students, the greatest number of weekend drinks observed was 6.00…

A: Z score for 6 weekend drinks is,

Q: nd the p-valu

A: two tailed test with z = 2.3

Q: If the test statistic is 2.29 for a two-sided t-test for the difference in two means for which n1 =…

A:

Q: A man has just purchased a trick die which was advertised as not yielding the proper proportion of…

A: The one sample proportion z test, compares the difference between population proportion and sample…

Q: In homes without working fire alarms, the chance of dying in a non-confined home fire is .0164 if…

A: Answer * we study human behaviour to better under - Stand and improve our world. * It is not as so…

Q: the claim is that for a smartphone carriers data speeds at airports, the mean is 14.00Mbps. the…

A:

Q: In a survey of 1,700 people who onwed a certain type of car 595 said that they would buy that type…

A: In a survey of 1,700 people who onwed a certain type of car 595 said that they would buy that type…

Q: The power of 0.95 shows that there is a % chance of rejecting the M hypothesis of p = when the true…

A: The Hypothesis formulation would be : Null : H0 : p = 0.08 Alternate : Ha : p > 0.08 (the…

Q: q17- In a one-tail test, the p-value is found to be equal to 0.0039. If the test had been…

A:

Q: Suppose that your younger sister is applying for entrance to college and has taken the SAT. She…

A: Percentile is denoted by P and it is a score or  observation in a data set which separates  P % of…

Q: You are applying for a job at two companies. Company A offers starting salaries with u = $28,000 and…

A:

Q: The problem is "Twelve percent of the job applicants for a large company have recently smoked…

A: Let M be the event that shows applicant having (smoked) marijuana.C be the event that shows…

Q: A researcher reports t(22) = 5.30, p < .01 for an independent-measures experiment. How many…

A: n testing for the differences between the means of two independent populations, the degrees of…

Q: The problem is "Twelve percent of the job applicants for a large company have recently smoked…

A: The provided information are:Percentage of applicants that have smoked marijuana, P (M) =…

Q: Suppose that 18% of a random sample of 2307 Miami residents said that they will donate blood in…

A: p =0.18 n = 2307

Q: A sample of 425 voters aged 18 – 25 were asked whether they thought Social Security benefits should…

A: Given information- Significance level, α = 0.05 Let, p1 = proportion of voters aged 18 – 25 were…

Q: In a Harris survey, adults were asked how often they typically travel on commercial flights, and it…

A: Given P(N)=0.33

Q: A poll done for Newsweek found that 15% of Americans have seen or sensed the presence of an angel. A…

A: In statistic, Individual means, a thing on which the characteristics is studied. The total…

Q: Nationally, at least 60% of Ph.D. students have paid assistantships. A college dean feels that this…

A: The claim is, dean feels it is not true that at least 60% Ph.D. Students have paid assistantship.…

Q: For this problem, assume that outcome O1 has frequency 1/a1, outcome O2 has frequency 11/a, and the…

A: Outcome O1 has frequency 1/a, O2 has frequency 11/a and another one is having frequency 12/a.

Q: For a particular population, a sample of n = 9 scores has a standard error of 8. For the same…

A: Given information: Standard error of a population with sample size of 9 = 8 Standard error for the…

Q: You are told that the proportion of those who answered "no" to a political survey is 0.60, and that…

A: Given Information: Proportion of those who answered "no" to a political survey is 0.60 i.e., p=0.60…

Q: what level of measurement is CES-D= Possible range of scores is zero to 60, with the higher scores…

A: Introduction: There are broadly 4 scales of measurement used in Statistics, that either categorize…

Q: Test the claim that the proportion of people that own lawn mowers is more than 59%. If you fail to…

A:

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: i. What is the P-value if the claim is modified to state that the proportion is equal to 0.5?

A: 2.i. In a study of smokers, after using nicotine patch therapy 39 were smoking one year after the…

Q: How would you interpret a z score of ‐3.0?

A: To finde z score we need mean (mu) and standard deviation (sigma) of the sample. We Calculate z…

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: Lucy collects data from a random sample of seventh-graders. Out of 40 respondents, 7 attend…

A: no. of student in sample = n = 40 no. of students attended after-school Programms = x = 7 Total No.…

Q: b. In a rational world, husband and wife are arguing over a matter. The probability of the husband…

A: (b) let event H: husband being wrong           event W: wife being wrong     given,   P(H)=0.15…

Q: Genesis wants to invest his money in a fast food restaurant. There is a 38% chance of losing…

A: The percentage of losing of 40000 is 38%. The percentage of profit of 550000 is 30% The percentage…

Q: For part a, you did not consider the possibility that the dead batteries being taken out in the…

A: a)

Q: To test the claim that american quarters are biased towards heads, suppose you flip an american…

A: Introduction: Denote p as the true probability or proportion of obtaining heads on flipping the…

Q: arires Is the proportion of wildfires caused by humans in the south different from the proportion or…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

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: In a one-tail test, the p-value is found to be equal to 0.0026. If the test had been two-tailed, the…

A: Here use basic concepts of p value

Q: What is the P-value for the test of Ho : µ = 2.2 against Ha : µ < 2.2? 0.1515 0.4443 0.8485

A: Given Hypothesis : sample mean  = 2 sample size  = 52 Population standard deviation = 1.4 This…

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.35…

A: The z-test determines the claim about one population proportion.

Q: Genesis wants to invest his money in a fast food restaurant. There is a 38% chance of losing…

A: Based on the information given in the question, we have:- Chance of losing P400000 with probability=…

Q: The claim is that for 12 AM body temperatures, the mean is > 98.6F. The sample size is n=6 and the…

A: Given: μ = &gt;98 n = 6 test statistic = 1.929