Q3: If the probability that student (A) will solve a particular problem is (0.8), the probability that student (B) will solve the same problem is (0.7), and the probability that student (C) can solve it is (0.5), then if each of the three students tries to solve the problem individually : a) What is the probability that only student (A) will solve the problem? b) What is the probability that the three students will solve the problem? c) What is the probability that the problem will be solved?

Q: Q4/ If the semester average: for the first semester = 8, for the second semester = 7, for the third…

A: It is given that Mean(semester 1) = 8 Mean(semester 2) = 7 Mean(semester 3) = 3

Q: 6.Suppose that the joint p.m. f. of X and Y is X. 00 10 20 Yə -10 0.05 0.1- 0.1 00 0.1 0.2 0.1- 10…

A: Note: Hey, since there are multiple subparts posted, as per guidelines we will answer first three…

Q: ) Find the probability that a person has the virus given that they have tested positive. Round your…

A: here complete the table and find the required probability

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Q: A certain disease has an incidence rate of 0.4%. If the false negative rate is 6% and the false…

A:

Q: Mathematic 10-19 20-29 30-39 40-49 50-59 60-69 degrees Pupils (fi) 2 5 11 25 31 27 Find the (1)Mean,…

A: Given data is Mathematic degrees  Pupils(fi) 10 - 19 2 20 - 29 5 30 - 39 11 40 - 49 25…

Q: a. 5 doctors and 7 nurses. b. not more than 6 doctors. c. at least 3 doctors and 4 nurses.

A: here given , there are total 10 doctors and 12 nurses , here use counting principle

Q: A physicist claims that the average wind speed in a certain city is 8 miles per hour. A sample of 33…

A: Given information: n=33x=7.9μ=8s=0.6α=0.10

Q: PART III. Consider the data below: 13, 12, 13, 21, 16, 13, 16, 18, 3, 15 1. Compute the mean 2. Find…

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Q: Determine the probability of project risk score and the consequences of a project risk score.

A: Given the following probabilities of failure categories: Maturity, Pm=0.3Complexity,…

Q: 3a. The Home Shine factory produces light bulbs, 7% of which are found to be defective. Write down…

A: Given: The Home shine factory produces light bulbs, 7% of which are found to be defective. That is,…

Q: 7. The U.S. Census Bureau projects that China's population will be 1,394,015,977 by July 1, 2020.…

A: Since, the question number is not specified, we'll be answering the first question only. Please…

Q: Discrete Probability Distributions Suppose the efficacy of the covid vaccine is about 80%. Assume…

A: Given,n=10p=0.2q=1-pq=1-0.2=0.8A random variable X~Binomial(n=10 , p=0.2)P(X=x)=Cx10 0.2x0.810-x…

Q: Ex3: The diameter of a particle of contamination (in micrometers) is modeled with the probability…

A: I solved exactly first three subparts because of bartleby policy if you want more please upload…

Q: 0.6 0 0.1 Problem 7. Consider the migration matrix B=0.2 0.8 0 for 0.2 0.2 0.9 locations 1, 2, 3.…

A: Given the migration matrix for locations 1, 2, 3 as B=0.600.10.20.800.20.20.9

Q: Consider the following table of a joint probability distribution descripting the joint probabilities…

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Q: On average, a textbook author makes two words processing errors per page on the first draft of her…

A: Let X be the number of errors made in one page. Then X has a poisson distribution with λ=2 per…

Q: A game has three possible outcomes: X, Y, or Z. If P(X) = 0.6 and P(Y) = 0.3, what is the…

A:

Q: If x G(5,4), then 2X Y = ~ 4

A: Solution

Q: the index value according to Marshall formula Weigworth is

A:

Q: estimator is EE 1<x<0 b) Let X₁, X₂, ...X₁ -f(x) = { 0 e. w. that weather MLE estimator is unbiased…

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Q: Find the cumulative density function for the given probability density function. 1 f(x) = 4 for 4…

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Q: 1. Ofelia bought 7 blouses, 5 skirts, 3 pair of shoes and 3 bags. All of these coordinates with one…

A: Here AS PER GUIDELINES I HAVE CALCULATED FIRST MAIN QUESTION  Here use fundamental of Counting…

Q: 3. In order to know the cutoff exam scores required for Curved Grading Option #1, Dr. Groppe needs…

A: Given Information: Students whose raw scores are at or above the 90th percentile will receive an A.…

Q: Q4/ If the semester average: for the first semester = 8, for the second semester = 7, for the third…

A: It is given that Mean(semester 1) = 8 Mean(semester 2) = 7 Mean(semester 3) = 3

Q: Use the following information to answer the next two questions. Five grade eleven students and 6…

A: Combination is the measure that used to determine the number of possible occurrence of event. It can…

Q: B. Direction: Read each statement carefully. Write the of the correct answer on the blank provided.…

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

Q: Ex 14: Suppose the probability that item produced by a certain machine will be defective is 0.4.…

A: Given problem Given that   Suppose the probability that item produced by a certain machine will be…

Q: A B C D accurate 337 277 245 142 lot Accurate 35 60 32 15 ent orders are selected, find the…

A: Given Total no of orders=337+277+245+142+35+60+32+15             =1143 No of restaurant C=245+32…

Q: Activity Measures of Variability 2. Standard Deviation Athletes from China, Philippines and Korea…

A: Measure of dispersion is used to measure the data deviated from the mean. It used to summarize the…

Q: ACTIVITY 2. WHAT'S THE BASIC WORD? Direction: Choose the letter of the correct concept on Column B…

A: Find: Write a basic word.

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A:

Q: Q2) A continuous random variable has PDF Kx²+2x+1, -25xs 3. Find K, P(x)>0, X. X¹ and ².

A:

Q: Giving a test to a group of students, the grades and gender are summarized below   A B C Total…

A: We have given that     A B C Total Male   11 5 3 19 Female   13 19 17 49 Total   24 24 20…

Q: A new diagnostic test is developed to determine if a patient has influenza. To determine if the test…

A: Given:Test positive=5%Test positive who having the flu=90%Test negative but who having the…

Q: ple of women's heights was taken. Their heights (in inches) are defined by the following probability…

A: Given: fx=0.0825x-5.0325         61≤x&lt;65-0.0425x+2.9325      65≤x&lt;69

Q: PART IV. Solve the following problems. You have eight books and are going to put four on a…

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Q: The odds in favour of River passing her swimming test on the first try are 13:4.  The probability…

A: Given: The odds in favor of River passing her swimming test on the first try are 13:4

Q: 3. Find the mean, variance, and standard deviation of X. The proportion of people who respond to a…

A:

Q: A sample of 5 pipes is selected from the 30 pipes without replacement. Determine the probability…

A: here given  there are total 30 concrete pipes of them 8 defective and 12 are non defective  here it…

Q: Two dice are rolled, find the probability" that the sum is less than 5

A: if two dice are rolled than the possible outcomes…

Q: that the old and improved processes can be regarded as independent populations. What is the…

A: It is given that For old process, sample size = 16, mean = 5000 and SD = 40 For improved process,…

Q: The average number of classic comic books sold per week at your store is 28. What is the probability…

A:

Q: * Let the sample space be positive, real numbers and the events A and B as follows: A = {x|x…

A: The given evets is  A={x |x&lt;82.5} B={x |x&gt; '62.5} a. All positive The real number greater than…

Q: Q4: A group of 30 manufactured of concrete pipes contain 8 defective pipes and 22 non-defective…

A: here given ,  A sample of 5 pipes is selected from 30 pipes without replacement  so Here we can use…

Q: A die is rolled. Find the probability of the given event. (a) The number showing is a 2; The…

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Q: Giving a test to a group of students, the grades and gender are summarized below A B C Total…

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Q: Suppose an insurance company has three types of customers-high risk, medium risk and low risk. From…

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Q: a) Find k if f(x) is a b) Find P (2.6 ≤x≤ 4.5) c) Find P (x-3) probability density function.

A:

Q: A sample of 5 pipes is selected from the 30 pipes without replacement. Determine the probability…

A: