1. Hospital records indicated that knee replacement patients stayed in the hospital for the number of days shown in the distribution. Number of days stayed Frequency 3 15 4 32 56 6. 19 7 5 Find the following probabilities (a) A patient stayed less than 6 days (b) A patient stayed at most 4 days (c) A patient stayed at least 5 days

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Q: 7.21 Using the standard normal table, find the following probabilities associated with z: a.P (0.00…

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Q: 5. Below is a probability distribution for the number of math failures of MHS students. 3 P(X) 38…

A:

Q: Suppose that weight of adolescents is being studied by a health organization and that the…

A: Given                                    X             P(X)                                    0…

Q: The full joint distribution in Table 1 describes the probabilities of the combinations of vehicle…

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Q: 6.39. The article “Chances Are You Know Someone with a Tattoo, and He's Not a Sailor" (Associated…

A: Required probability is P(tattoo| age 18-29)

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A:

Q: c. What is the probability that one randomly selected person learned to walk when the person was…

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Q: 5.2 Table shows the percentage frequency table for the petrol brand most preferred by 50 motorists…

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Q: 4.25 A local hospital estimates that the number of patients admitted daily to the emergency room has…

A: given data x = No. of patients admitted daily λ=4 p(x=X) = e-λ(λ)xx!     - poision distribution

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A: Condition for pdf/pmf is ∑i=1nP(xi)=1 413+113+313+113+213=1113≠1hance it is not a pdfB option is the…

Q: 11. Suppose the table represents the results of a survey of customer satisfaction for a cable…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

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A: From the provided information, Age Frequency ≤19 46 20-29 41 30-39 54…

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Q: 8.2 A study on breeding birds collects information such as the length of their eggs (in mm). Assume…

A:

Q: (1) Hospital records indicated that maternity patients stayed in the hospital for the number of days…

A: Dear Student,                    According to our guidelines we can only solve first question or…

Q: 1. Results of a study conducted to determine the water consumptions in number of cubic meters of…

A:

Q: 8.2 A study on breeding birds collects information such as the length of their eggs (in mm). Assume…

A: Given Information: Mean μ=42.1 Standard deviation σ=20.8

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Q: 6. Suppose that 25% of all subscribers to a business magazine earn an income of more than $75,000.…

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Q: Part (d) Find the probability that his shirt number is from 34 to 66 OR he weighs at most 210…

A: Part (d) The row and column totals are, Shirt# ≤210 211-250 251-290 291≥ Total 1-33 21 5 0 0 26…

Q: 7. Suppose a study of speeding violations and drivers who use cell phones produced the following…

A: Total number of outcomes = 755

Q: 2. The following table gives the probabilities that a probation officer will receive 0, 1, 2, 3, 4…

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Q: Ex: The following data represent the number of damaged pieces of spare parts for the production of a…

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Q: 9. IT Manager's Salaries- The average salary for an IT Manager in the Boston area is $110,000. If…

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Q: 10. Consider the following probability distribution: ( 2. 4. 0.5 0.3 0.2 a. Find P(X 4). b. Find P(X…

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Q: 2. Find the mean and variance of the following probability distribution. 11 16 21 1 P(X) 1/7 1/7 2/7…

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Q: 6. (a) Construct the probability distribution of the discrete variable X, where X= number of…

A: The probability distribution of X is  X f p(X) xp(X) (x-xbar)^2 p(x)*(x-xbar)^2 1 62 0.208754…

Q: 6.39. The article “Chances Are You Know Someone with a Tattoo, and He's Not a Sailor" (Associated…

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Q: The following is the probability distribution for calls arrived at a switchboard of one of the…

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Q: 21 Suppose it is known that 40% of Americans own an iPhone. If a random sample of 60 Americans were…

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Q: Find the probabilities and the expected frequencies for the following data according to the "Law of…

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Q: Q. 1 The HR department of a large company compiled the followin fictitious data regarding the income…

A: Given Information:   OR 12000 or below Above OR 12000 Total High School graduate 2010 810 2820…