1 Given that P(A or B) = —, P(A) = =, and P(A and B)=, find P(B). O A. 77 360 11 O B. 180 67 OC. 360 157 O D. 360

Q: Q4/B - A factory for the production of electric lamps, consisting of 12 identical machines.…

A: Number of machines(N)=12 Number of samples(n)=4

Q: The following table shows the number of hours spent for studying and the grade obtained by a student…

A: The provided information is  No of hours (x) Grades (y) xy x2 1.5 85 127.5 2.25 2.0 85 170 4…

Q: The following are the ages of a number of workers working in an electric power generation company,…

A: The formula is x=ΣxifiΣfiWhere, x̄ = the mean value of the set of given data. f = frequency of the…

Q: One country’s annual rainfall has a normal distribution with mean of 100 inches and standard…

A:

Q: Emma's On-the-Go, a large convenience store, has to decide where in the store to put its candy bar…

A: Given that Emma's On-the-Go, a large convenience store, has to decide where in the store to put its…

Q: 16. Ho: μ-85 Ha:μ #85 a=0.1 n=29 a=unknown O a. Left-Tailed, -2.467 O b. Right-Tailed, 2.467 O c.…

A:

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: It is given that, out of 25 adults,16 said they liked the movie, whereas out of 50 teenagers, 39…

Q: Q2/b The following are the ages of a number of workers working in an electric power generation…

A: Given data indicates the ages of workers in an electric power generation company. The objective is…

Q: The coefficient of determination for Data Set B is   ​%.

A: In the given scenario, the data set B was given with two variables (x and y). We need to find the…

Q: Identify the rejection region by following the steps in identifying the appropriate rejection…

A: From the provided information, Sample size (n) = 50 The test is two tailed. Level of significance…

Q: 1. Test the given hypothesis using the given information. Ha: μ# 84 Ho: μ = 84 X = 87 0 = 10 n = 35…

A: According to policy we answer 3 part kindly repost for remaining

Q: A highway department is studying the relationship between traffic flow and speed. The following…

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Q: The owner of a movie theater company used multiple regression analysis to predict gross revenue (y)…

A:

Q: defective. To prove this, a random sample of 189 out of 395 products were tested. Is there a…

A: From the given information we conduct Hypothesis test.

Q: 70% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A:

Q: In a survey, 373 people were asked how much they spent on their child's last birthday gift. The…

A: Givensample size(n)=373Mean(x)=36.85standard deviation(σ)=19.05Confidence level = 80%

Q: A survey asks 1100 workers, "Has the economy forced you to reduce the amount of vacation you plan to…

A: In a survey asks 1100 workers 48% surveyed say that they are reducing the amount of variation. 30…

Q: Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the…

A: Solution To find the confidence interval we will use the z distribution i.e. z critical value.

Q: For numbers 9-10 Suppose two laptops are tested. Let D represent the defective laptop and N…

A: We have following statement about the two laptop are tested. Let D represents the defective laptop…

Q: An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.7 minutes.…

A: GivenMean(x)=12.4standard deviation(s)=2.2sample size(n)=33α=0.01

Q: The following table shows the number of hours spent for studying and the grade obtained by a student…

A:

Q: A certain brand of automobile tire has a mean life span of 38,000 miles and a standard deviation of…

A: Given: μ = 38000 Miles σ = 2250 Miles Formula Used: Z-score = X-μσ

Q: If a z-score is zero, which of the following must be true? Explain your reasoning. The mean is zero.…

A: We have to find true statement for z.   As we know z= (x-mean)/sd

Q: Determine the force in each member of the loaded truss. Explain why knowledge of the lengths of the…

A: Given that,

Q: hat is the Normal Distribution Probability where X is more than 268.66 for a mean of 145, and…

A:

Q: Let event G = taking a math class. Let event H = taking a science class. Then, G ∩ H = taking a math…

A:

Q: Suppose there are 2 red balls and 4 yellow balls in a box. Two balls are drawn from the box without…

A: Suppose there are 2 red balls and 4 yellow balls in a box.

Q: In a recent Super Bowl, a TV network predicted that 84% of the audience would express an interest in…

A: The provided information is  x=49 n=61 The sample proportion is p^=xn=4961=0.803The null and…

Q: The mean of 5 positive integers is 16. What is th maximum value that one of this numbers may have?

A: Given problem is :

Q: In a sample of 10 randomly selected women, it was found that their mean height was 63.4 inches. From…

A:

Q: be used as an estimate of the population standard deviation (o) when the value of is unknown. a.…

A: From the given information we find the correct Option.

Q: The following multiple regression printout can be used to predict a person's height (in inches)…

A: (a) Obtain the value of the test statistic for the shoe size. The value of the test statistic for…

Q: In a particular area 984 girls against every 1000 boys. Can we say gender equality exist?

A: Number of girls=984 Number of boys=1000

Q: Identify the data set's level of measurement. ages of students in a statistic class O A. nominal O…

A:

Q: 2. Answer the following questions on population proportion. A researcher claims that 90% of all the…

A: Given that: p = 0.90 Number of successes, x = 499 Sample size, n = 569 Level of significance = 0.5

Q: Determine whether the claim stated below represents the null hypothesis or the alternative…

A:

Q: A group of 59 randomly selected students have a mean score of 29.5 with a standard deviation of 5.2…

A:

Q: A lucky dip at a school fête contains 100 packages of which 40 contain tickets for prizes. Let X…

A: Given: Number of packages = 100 Number of tickets for prizes = 40

Q: Q4/a/ In a study to show the relationship between a person's weight (kg) and height (cm), a random…

A: Frequency distribution

Q: Classify the events as dependent or independent. Events A and B where P(A) = 0.4, P(B) = 0.4, and…

A: P(A) = 0.4 P(B) = 0.4 P(A and B) = 0.16 we have to identify event is dependent or independent

Q: Exi meaning collecting of x set

A: The objective is to state whether the given statement is true.

Q: On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of…

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

Q: The total number of positive integers that can be formed from the digits 1,2,3 and 4 if no digit is…

A: Number of possible arrangement can be calculated either by combination or permutation methods.…

Q: Determine whether the claim stated below represents the null hypothesis or the alternative…

A:

Q: SOLVE FOR THE X OF THE FOLLOWING FUNCTION USING BISECTION METHOD a. 4x² + 3x3 = 0

A: a.The given equation is 4x2+3x-3=0Let f(x)=4x2+3x-3 x 0 1 f(x) -3 4 1st iterationHere…

Q: Find a. the​ mean; b. the deviation from the mean for each data​ item; and c. the sum of the…

A: Given that Data items : 2.50​, 3.60​, 2.70​, 2.30​, 3.90 Sum of data values = 2.50 + 3.60 + 2.70 +…

Q: A bag contains 8 red, 3 blue and 13 yellow discs. A disc is selected at random from the bag. What is…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: What is the Discrete Variance when sample size is 82 with a probability of 0.82?

A: Formula for variance : Variance = np(1-p)

Q: Using the Empirical Rule, in a normal distribution what percentage of values would fall into an…

A: Given  : Mean(μ)= 90  Standard Deviation(σ) = 26.1

Q: Consider using a z test to test Ho: P = 0.7. Determine the P-value in each of the following…

A: Given :  p = 0.7