Probability Question
Q: In standard normal distribution,the area between z = 0.79 and z = 2.67 is?
A: Given: Area between the z = 0.79 and z = 2.67
Q: is problem, assume that the distribution of differences is approximately normal. Note: For degrees o...
A: The level of significance is given as α = 0.05(=5%). Hypotheses and level of significance: Denote μ1...
Q: If the following is a sample of 10 measurements 7, 6, 6, 11, 9, 9, 11, 9, 7, 5 then X-0 Oa 6 Ob 4 Oc...
A:
Q: Express the answers in simplest form. A list contains the names of seven anthropology students, thre...
A: The given data are: Number of anthropology students = 7 Number of sociology students =3 Number of ps...
Q: Based on historical data, your manager believes that 33% of the company's orders come from first-tim...
A: Given that, p=33%=0.33 n=106
Q: A truck has two engines a main one and a backup. The engine component fails only if both engines fai...
A: Given data: The given probability that the main engine fails is P(X)=0.05. The given probability t...
Q: Question Four.
A: Let μd denotes the population mean difference between post test and pre test. The claim of the test ...
Q: A wheel of fortune has 5 sectors, 1 green, 2 red and 2 yellow. The oered game has the following rul...
A: Given data: The number of green sectors is G=1. The number of red sectors is R=2. The number of ye...
Q: The percentage of titanium in an alloy used in aerospace castings is measured as shown below.22.2 24...
A: Given: Sample size (n) = 10 The sample mean and sample standard deviation can be obtained as:
Q: Question Three.
A: To testH0:μ1=μ2H1:μ1≠μ2
Q: 4. A computer center acquires eight different models of laptops of the same color and shape. If they...
A: We have in all 8 laptops in a drawer and choose 5 from them.
Q: Given P(A) = 0.28, P(B) = 0.20 and P(B|A)=0.28 are A and B independent dependent?
A: Given Data: The probability of event A is: P(A)=0.28 The probability of event B is: P(B)=0.20 The pr...
Q: A bank executive is presented with loan applications from 10 people. The profiles of the applicants ...
A: Given: Population size is N=10. Random sample size is n=6. Number of success is S=5. Determine the...
Q: "Ch6. Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on a...
A: It is given that the travelling time follow normal distribution with mean 31 minutes and standard de...
Q: Nine balls are distributed among four boxes randomly. Calculate the probability that one of the boxe...
A: It is given that, There is a total of 9 balls and we have to distribute it into 4 boxes randomly. Th...
Q: Auto Weight: Miles per Gallon: Do heavier cars really use more gasoline? Suppose a car is chosen at ...
A: From given data, X Y X*Y X*X 27 30 810 729 44 19 836 1936 32 24 768 1024 47 13 611 2209...
Q: For the experiment described below, let x determine a random variable, and use knowledge of probabil...
A: Solution: Let X be the number of swimmers. From the given information, five names are on the swim te...
Q: Prove the inequality: P(A n B) ≥ 1 - P(A') - (B') It reads: Probability of A intersect B is greate...
A: The inequality to be proved is : PA∩B≥1-PA'-PB' Proof: The PA∪B is given as: PA∪B=PA+PB-PA∩B But PA...
Q: 1 about events A and B of a sample space S, but assume that Pr[A′]=0.5, Pr[B]=0.5, and Pr[A′∩B]=0.3....
A: a) It is given that, Pr[A′] = 0.5, Pr[B] = 0.5, and Pr[A′∩B] = 0.3.
Q: The Big Black Bird Company produces fiberglass camper tops. The process for producing the tops must ...
A: Formula used: Control limits for c chart=c¯±zc¯ where, c¯ = average number of nonconformity.
Q: The Amazon River in South America is about 6,400 kilometers long. What is this number in scientific ...
A: The scientific notation is away to display very large numbers or very small numbers in a easy way.
Q: Chang is playing a game in which he spins a spinner with 6 equal-sized slices numbered 1 through 6. ...
A: The given data: If spinner stops on the number 1, he wins $1 If spi...
Q: Heights of men in some place of the world are normally distributed with mean 73.2 inand standard dev...
A: Let "X" be the height of men in inches. Sketch the normal curve and shade the area to the left o...
Q: 15 Assume that the fleet consists of 30 percent Lexus, 50 percent Infinity, and 20 percent Mercedes ...
A: Given data, fleet consist cars 30 percent Lexus 50 percent Infinity 20 percent Mercedes cars have...
Q: Given P(A) = 0.20, P(B) = 0.27 , and P(B|A)=0.20 , are A and B independent dependent ?
A: Given P(A) = 0.20, P(B) = 0.27 , and P(B|A)=0.20 In probability, events can be independent or depen...
Q: At a restaurant, each dinner special consists of an appetizer, a salad, and an entrée. The choic...
A: a) In a restaurant each dinner special consists of an appetizer, a salad, and an entrée. The app...
Q: 1. What is the probability that an individual employed in industry at one time is employed in small ...
A: Let Industry represent State 1, Small business represent State 2 and Self-employed represent State 3...
Q: 2 about events A and B of a sample space S, but assume that Pr[A]=0.35 and Pr[B]=0.45. Find Pr[A∪B] ...
A:
Q: . For the events A and B, P(A) = 0.38, P(A|B) = 0.5 P(A|BC) = 0.2 (a) Are A and B independent? Why (...
A: Given that P(A) = 0.38, P(A|B) = 0.5 , P(A|BC) = 0.2 If A and B were independent then we would have ...
Q: TV commentator claim that 42% of all football injuries are knee injuries. What is the probability th...
A: Let us denote: X= number of knee injuries. n=sample size=6 p=probability of getting a knee injury S...
Q: Suppose it is certain that an earthquake will occur someday. What is the probability (to the nearest...
A: Given that there are 365 days in a year. So (365×24)=8760 hours in a year. I am at school 4 hour...
Q: Calculate the probability of being dealt the following poker hand. (Recall that a poker player is de...
A: Number of ways to get royal flush = C14=4 Number of ways to get straight flush =9 C14=36 Number of w...
Q: The random variable X is normally distributed with a mean of 80 and a standard deviation of 10, P(85...
A: X is normally distributed with mean 80 and standard deviation 10, The P85≤X≤90 is obtained as below ...
Q: Question 29n Based on the below chart: What is the cumulative probability of selling a muffin or a P...
A: Total number of purchase= 10+25+27+5=67 So to find the probabilities we will divide the number of pu...
Q: The salaries at a corporation are normally distributed with an average salary of $19000 and standard...
A: 5.1 The random variable X is defined as the salaries at a corporation which follows normal distribut...
Q: How many different 4-letter radio-station call letters can be made if the first letter cannot be A...
A: Given: 4- letter radio-station call letter has to be made with first letter should not be A, B or C ...
Q: Suppose that each student has probability p of correctly answering a question chosen at random from ...
A: The probability of good student (Jennifer) p=0.90.
Q: Express the answers in simplest form. A list contains the names of seven anthropology students, thre...
A: Solution: Total number of students = seven Anthropology students +three Sociology students +two Psyc...
Q: In MT 207 class, there are 43 computer engineering students and 34 civil engineering students. Dr. L...
A: The number of ways of selecting r items from n items is, nr=n!r! n-r! There are 43 computer engineer...
Q: If your claim is in the null hypothesis and you reject the null hypothesis, then your conclusion wou...
A: Hypothesis Testing : A hypothesis test is a standard procedure for testing a claim about a property...
Q: Find the critical value tc for the confidence level c=0.90 and sample size n=26.
A: Given confidence level is c=0.90 Significance level=1-c=1-0.90=0.10 sample size, n=26 degrees of fre...
Q: A manufacturer is considering the manufacture of a new and better mousetrap. She estimates the proba...
A: Probability that the new mousetrap is successful is 3/4 Probability that the new mousetrap is not su...
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