7. What is the probability that an ordinary year has 53 Sundays? (a) (b) (c) (d) 9 har contains 9 red, 7 white and 4 black balls. A ball is drawn holl drawn is not red is: AL

Q: Fill in the rest of the joint distribution so that X and Y are independent. There are two possible…

A: Fill in the rest of the joint distribution so that X and Y are independent. There are two possible…

Q: A gambler pays $5 to play a game of dice. If he rolls a sum of 10 the house pays him $10; if he…

A: gambler pays $5 to play a game he rolls a sum of 10 the house pays him $10 he rolls a sum of 3 the…

Q: Given X N(20,16), find b. P (X <19) (4 decimal place)

A: X~N( μ , ?2 )   μ=20 , ?=4   Z-score =( x - μ )/?

Q: The sampling distribution mean is equal to the population mean. True False What is the value of the…

A: The sampling distribution mean is equal to the population mean. True False  And  What is the value…

Q: Assume that when human resource managers are randomly​ selected, ​44% say job applicants should…

A: p=0.44 sample size(n)=25 Let "x" be no. of human resource managers ay job applicants should follow…

Q: For the following two samples of scores, calculate the pooled variance from an Independent-Samples…

A: We have given the following data Independent-Samples t-test.     Sample 1 Sample 2 n1 n2…

Q: You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based…

A: Margin of error=1.5 Population standard deviations=31.6 Critical value =1.645

Q: a) In how many ways can 4 persons be grouped into 2 pairs to play a set of doubles tennis? b) The…

A: In the realm of doubles tennis, questions arise about grouping individuals or selecting players for…

Q: A recent survey shows that the probability of a college student drinking alcohol is 0.6. Further,…

A: The probability of a college student drinking alcohol is 0.6. The probability of drinking alcohol…

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A:

Q: According to a study, 31% of experienced file-sharers with broadband access had decreased their…

A: It is given that, the 31% of experienced file-sharer with broadband access had decreased their…

Q: Of the 39 play attributed to a playwright, 10 are comedies , 15 are tragedies, and14 are histories.…

A: Total plays 39 10 are comedies , 15 are tragedies, 14 are histories.

Q: A sales rep for a national clothing company makes 4 calls per day. Based on historical

A: Let X be the number of successful calls each day. X 0 1 2 3 4 P(X) 0.1 0.3 0.3 0.2 0.1…

Q: perception (ESP). As a test, a fair coin is flipped 29 times, and the man is asked to predict the…

A: We can model this event as binomial here is to be right.  p = 0.5 Assume the person says the heads…

Q: Recent research suggest that 43% of residents from certain region have a home phone, 95% have a…

A: P(home phone)=0.43 P(cell phone)=0.95 P(both)=0.41

Q: Q9. If A, B and C three events make partition for sample space S and D is another event in S such 10…

A: Given: P(A) = P(B) = P(C) = 1/3 P(D|A) = 10/20 P(D|B) = 9/12 P(D|C) = 8/12

Q: Doctoral Student Salaries Full-time Ph.D. students receive an average of $12,837 per year. If the…

A: a) Suppose the random variable x defines the salaries of doctoral students per year.

Q: A statistics practitioner took a random sample of 59 observations from a population whose standard…

A: sample size(n)=59 Population standard deviation(σ)=32 Mean(x)=95

Q: Suppose the PMF of the random variable X is px(x) = 0,1,2,...}(x) where >>0. x! Obtain the MGF of X…

A:

Q: Give only typing answer with explanation and conclusion The melting points of two alloys are being…

A: alloy 1 : x¯1  = 517s1 = 2.4n1 = 35alloy 2 :x¯2  = 515.1s2 =2.1n2 = 47α = 0.01claim : μ1 ≠ μ2α =…

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A: A city council consists of seven Democrats and seven republicans.  and   If a committee of five…

Q: A store runs a sale exclusively for their club members every 20 days. If Marcus joins the club on…

A: A store runs a sale exclusively for their club members every 20 days. If Marcus joins the club on…

Q: Q20 Let the following be a probability distribution- 2 0.24 P(X=x) Calculate a) E(X²) 1 0.16 0.35 b)…

A: The probability distribution is given as follows: x 1 2 3 4 PX=x 0.16 0.24 0.35 0.25

Q: Suppose we roll one die repeatedly and let N; be the number of the roll on which appears. Find the…

A:

Q: a) (An BC) and Ccn (AUB). b) The probability of getting an even number? c) The probability of…

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Q: What is the probability that at least eight cars will be sold in a day? (input answer in 4 decimal…

A: Here Given  Data For number of cars sold by ABC Motors during last 500 days.

Q: Directions: Find the probability that a randomly chosen point lands in the shaded region. 15 cm

A: Find the probability that a randomly chosen point lands in the shaded region.

Q: Let X be the tow rating of a randomly chosen popular SUV from the list above. (a) What are the…

A: The variable x denotes the tow rating of a randomly chosen popular SUV from the list above.

Q: Consider the following directed graph of the relation R on the set A={a, b, c, d}. Tl a) symmetric…

A:

Q: Axline Computers manufactures personal computers at two plants, one in Texas and the other in…

A: 35 work at Texas plant 25 work at Hawaii plant ______________________ 60 total employees   10…

Q: (a) In a box there are 2 white, 3 black, and 4 red balls. If a ball is drawn at random, what is the…

A: As per policy I have calculated first main question as you have posted multiple questions, plz…

Q: 3. a) b) The mean IQ of 200 patients in a psychiatric hospital is 91, with a variance of 16, and the…

A: Mean=91 Variance=16 Standard deviations=4

Q: There are 20 cupcakes at a party; 8 are vanilla, 6 are chocolate, 2 are funfetti, and 4 are carrot…

A: From the provided information, There are 20 cupcakes at a party; 8 are vanilla, 6 are chocolate, 2…

Q: A bus stops at a bus stop every 45 minutes. Once a person gets to the bus stop, what is the…

A: Here given that bus at bus stop every 45 minutes .  Here we use exponential distribution ,  p(T ≤ t)…

Q: For all A, B ∈ F with A ⊂ B holds P(A) ≤ P(B). Provide a proof, I know the following is given but I…

A: To prove that for any events A and B belonging to a probability space F, with A being a subset of B,…

Q: to honor their ancestors. The mural covers a 1218 m1281​m12, start fraction, 1, divided by, 8, end…

A: Let's break down the expression in detail and explain each step:   Information given:   The mural…

Q: Q 1 If X is a random variable with distribution X: 0 1 2 3 111 P(X): - - - - 4444

A: As per policy I have calculated first main question plz REPOST for remaining questions. Here given…

Q: For mated pairs of gallinules (type of water bird), let X equal the weight in grams of the male and…

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Q: u= 100 and a standard deviation of o = a. The sampling distribution of the sample mean for samples…

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Q: Giving a test to a group of students, the grades and gender are summarized below A B C Male 9 7 2…

A: A B C total male 9 7 2 18 female 17 12 14 43 total 26 19 16 61   P(female or C) = ?…

Q: Elizabeth brought a box of donuts to share. There are two dozen(24) donuts in the box, all identical…

A: There is total 24 donuts in the box.

Q: P(AC)=0.55, P(B)=0.35, P(ANB)=0.25 (1) Find: P(ABC), P(A\BC), P(BC\AC) (ii) Are A and B independent…

A: We have given that, PAc=0.55 PB=0.35 PA∩B=0.25

Q: Calculate the expected value E(X) for the given random variable X. Select 13 cards without…

A: From the provided information, Total cards in standard deck = 52 13 cards selected without…

Q: 2 A team of 4 boys, 5 girls and 2 teachers are playing a game. Find t them lenodibbA (a) in a row…

A: To arrange the group in a row such that the 2 teachers are standing next to each other, the 4 boys…

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: Consider the trash bag problem. Suppose that an independent laboratory has tested trash bags and has…

A: The sample mean is 50.560. The population standard deviation is 1.68. The sample size n is 40.

Q: In a game of chance, there are three boxes: Box A contains 5 red balls and 3 blue balls, Box B…

A: In a game of chance, there are three boxes: Box A contains 5 red balls and 3 blue balls, Box B…