Probability Question
Q: The probability that a person is accepted for admission to a specific university is 0.6. Determine t...
A: Introduction: If X ~ Binomial (n, p), then the probability mass function of X is: Here, n is t...
Q: Mitch surveyed the students in his class to see if they have any pets. Of the students surveyed, 62%...
A: According to the provided information, 62% of them said they have a dog and 17% said they have a cat...
Q: Consider the following profit payoff table. The prior probabilities for s1 and s2 are P(s1)=0.8 and ...
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Q: A chemical reaction is run in which the usual yield is 70. A new process has been devised that shoul...
A: The conditions for normal approximation to the binomial distribution are given below: np≥5 n(1-p)...
Q: Eight runners are hoping to take part in a race, but the track has only six lanes. In how many ways ...
A: There are 8 runners and 6 lanes. So we have to pick 6 runners from 8 runners. Here arrangement matt...
Q: Answer question 17
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Q: Jane and Sam work in the same department for a large corporation. They are curious about the proport...
A: Simple random sampling: If a sample of n subjects is selected then every unit in the population has ...
Q: 45% of what is 27?
A: Let 45% of x = 27
Q: Sketch the graph of the probability density function over the indicated interval and find the indica...
A: We use a graphing calculator to sketch f(x)=x/50 over [0,10]
Q: Based on a poll, 40% of adults believe in reincarnation. Assume that 5 adults are randomly selecte...
A: Let us denote X= number of adults who believe in reincarnation. Probability of a person who believe...
Q: The probability of an event is 27%. What are the odds of that event?
A: Given that the probability of an event is = 27%= 0.27 Let us denote the event by E So, P(E)=0.27
Q: Four scenarios of statistical studies are given below. Decide which study uses a sample statistic. A...
A: In options A, C, D they have considered the entire population.
Q: Set up, but do not evaluate, an integral that will yield the density of Z = X+ Y, where X and Y are ...
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Q: Paul Hunt is considering two business ventures. The anticipated returns (in thousands of dollars) of...
A: Compute the mean and variance for Venture A. From the information, given that the probability distri...
Q: Approximately 11% of students at BCC are Criminal Justice majors. If you take a simple random sample...
A: Let X= number of students who are Criminal Justice majors the probability of a student being Crimina...
Q: The table below shows the final marks in Mathematics and English obtained by 10 students selected at...
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Q: On a typical box plot, what does the vertical line in the middle of the box represent? A.) the media...
A: The vertical line in the middle of the box represents the middle value of the data, which is the med...
Q: mong 21-25-year olds, 29% say they have driven while under the influence of alcohol. Suppose three ...
A: We will use the complement property of probability. P( at least one of them has driven under the in...
Q: Please answer math questions
A: Hi! Thank you for the question! Since the question contains four subparts and we are allowed to auth...
Q: Consider the sample space given below. A die is a cube with six sides on which each side contains on...
A: Given, S = {11, 12, 13, 14, 15, 16, 21, 22, 23, 24, 25, 26, 31, 32, 33, 34, 35, 36, 41, 42, 43, 4...
Q: Lorelai conducted a survey of students in her class to observe the distribution of eye color. The ta...
A: Total (40+58+7+14)=119 students were observed. Among those 119 students, (7+14)=21 students have gr...
Q: Your friend invents a gambling game and challenges you to play it. He explains the game, and you com...
A: Expectation means, in the long run, the average value per trial. Here expected value = $0.01 =1 pen...
Q: The probability distribution of X is shown below. Find P(3).
A: Total probability of a probability distribution is =1 So, P(1)+P(2)+P(3)+P(4)+P(5)=1
Q: An amount of P dollars is borrowed for the given length of time with the amount F due at the end of ...
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Q: 10. If the annual proportion of erroneous income tax returns filed with the IRS can be looked upon a...
A: Consider X be a random variable which indicates the annual proportion of erroneous income tax return...
Q: Test the hypothesis µ= 400 verses the H.: µ > 400 Use the p-value for decision making if X-bar = 465...
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Q: If the random variable X denotes the real valued outcomes given in the following table with the give...
A: Solution: Let X be the outcome. Then, the probability can be calculated by using the following formu...
Q: The probability distribution of a random variable X is given. 14 х 10 11 12 13 15 1/8 1/8 2/8 1/8 Co...
A: The mean of the variable X obtained as given below: Here, X denote the observation.
Q: Assigned Media Question Help Dr. Hahn has developed a new procedure that he believes can correct a l...
A: Let X= number of people who shows improvement Given the probability of success= 77%=0.77 probabilit...
Q: A raffle is being held to benefit the local animal shelter. They sell 644 tickets that do not win a...
A: They are selling total (644+6+1) = 651 tickets We make a probability distribution for winning amoun...
Q: A student poll measured the following variable on LMU students: Commuter Status (Yes/No) Is this var...
A: Commuter Status is a quality, so it is a qualitative variable.
Q: The probability distribution of a random variable X is given. 3 2 4 P(X = x) 0.3 0.2 0.4 0.1 Compute...
A: Given data, X 1 2 3 4 P(X=x) 0.2 0.3 0.4 0.1
Q: Jane and Sam work in the same department for a large corporation. They are curious about the proport...
A: For the case: Jane obtains a list of all the workers in the department, randomly picks 20 names from...
Q: Find the critical value z_α/2 that corresponds to the given confidence level. 96%
A: From the provided information, Confidence level = 96% Level of significance (α) = 1 – 0.96 = 0.04
Q: Find the present value of the given amounts F with the indicated annual rate of return r, the number...
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Q: If you get a sneak peak at the salary list of your job and realize you are in the lowest bracket, wh...
A: Let X= salary Given that X follows a normal distribution with mean= 48000 and standard deviation= 5...
Q: Solve the proportion. Round to the nearest hundredth. 120/C=144/25
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Q: A certain affects virus 0.8% of the population. A test used to detect the virus in a person is posit...
A: Obtain the probability that the person has virus given that they have tested positive. The probabili...
Q: Probability Question
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Q: 1-A family has three children. Using B for boys, G for girls and ordered triples like (B,B,G),(BGG),...
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: Compute the indicated quantity. P(B) = 0.5, P(A ∩ B) = 0.4. Find P(A|B)
A: It is given that:
Q: In a well known supermarket, the length of time to empty the stocks follows an exponential distribut...
A: Let, X= the length of time to empty the stocks Given that, X follows an exponential distribution. ...
Q: question 16 and 17
A: Since you have submitted two questions, we'll answer the first question. For the second question ple...
Q: A bus travels on an east-west highway connecting two cities A and B that are 100 milesapart. There a...
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Q: The probability that event M will occur is .68, and the probability that event R will occur is .42. ...
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Q: Suppose a company charges an annual premium of $475 for a fire insurance policy. In case of a fire c...
A: We make a probability distribution for claims Claim (xi) 0 100000 Probability (pi) 1-0.004=0.99...
Q: A linear model to predict an adult male's height (in inches) based upon their weight (in pounds) is ...
A: We compare the given equation with y=mx+b So, m=0.34 and b=7.9 slope= m =0.34
Q: You draw one card at random from a standard deck of 52 playing cards. (a) Find the probability that ...
A: Among the 52 cards, we have even numbers= 2, 4 , 6 , 8 , 10 Each has 4 cards. So total (5*4)=20 ca...
Q: Let denote H, - random event that demand for the new product is high, H, - that demand is average, a...
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Q: The board of directors of a corporation must select a president, a secretary, and a treasurer. In ho...
A: It is given that there are 19 members on the board of directors and must select three members.
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