Playing cards Show your work and justify. 1. In how many ways can we pick two cards from a deck of 52 playing cards so that the following two constraints are both satisfied: (1) We pick at least one Queen (2) We pick at least one Diamond. Justify your arguments.

Q: A local bakery has determined a probability distribution for the number of cheesecakes it sells in a...

A: Denote the number of cheesecakes sold in a day. In the given problem  

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Q: A USE SALT (a) P(0 sZ S 2.01) 0.4778 (b) P(0 SZS 2) 0.4772 (c) P(-2.90 szZ 0) (d) P(-2.90 s Z S 2.90...

A: We have given that z-scores in each problems.   Note: (1). According to Bartleby expert guidelines, ...

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Q: Problem 9 ): The life of a device has an average of 50 months and a standard deviation of 6.8 months...

A: GivenMean(μ)=50standard deviation(σ)=6.8sample size(n)=49

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A: From the given information, There is a group of 10 workers. That is, n=10 The wage of the lowest pai...

Q: Suppose that X has a lognormal distribution with parameters 0-5 and w2 = 9. Determine the following:

A: Given: X has a lognormal distribution. θ = 2 ω2 = 9  

Q: Example 1 The mean height of 45 students ofa class is 60" and the mean height of 55 studen of anothe...

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Q: You roll a six-sided die. Find the probability of each of the following scenarios. (a) Rolling a 4 o...

A: Given a six-sided die is rolledThen the outcomes are(1,2,3,4,5,6)

Q: Discuss Linear Regression.  (at least 50 words minimum  not copying from a website or your textbook)...

A: We have to discuss the linear regression in atleast 50 words. 

Q: female employees were $. 5,200 and $. 4,200 respectively. Determine the percentage of males and fema...

A: Here use formula of overall average 

Q: An event A will occur with a probability of 0.7. An event B will occur with a probability of 0.2.  I...

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Q: Comparison of distribution tails). Consider the distribution of losses owned by insurance companies....

A: Given information: Loss for the coming year is predicted to have a mean of 100 with a standard devia...

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Q: Find the following probabilities for the standard normal random variable z. P(-2.28<z<1.77) P(-2.28<...

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Q: 4. z = -1.26 toz = 1.45 5. z = - 2 to z = 1.15

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Q: study is conducted to determine if a student's SAT Reading and Writing score predicts a student's sc...

A: Conditions are given : We have to tell the explanatory variable in the question. 

Q: The following Minitab display gives information regarding the relationship between the body weight o...

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Q: 3. If F is d.f. of one-dimensional r.v. X, then F(-0) = lim F(x) = 0 and F(0) = lim F (x)=1 x →- 00

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Q: Example 1 In how many ways can the word "BOOK" be arranged

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Q: he average weight of a Coastal male Grizzly Bear is approximately normal with E(x) =795 pounds and S...

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Q: High temperatures in a city for the month of July follow a uniform distribution over the interval 70...

A: Solution-: Given: a=700F, b=930F We find, P(the high temperature on a day in July is less than 820F)...

Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the ind...

A: GivenMean(μ)=4standard deviation(σ)=6

Q: When are two attributes said to be independent ? 0) From the following data calculate the remaining ...

A: Given  N=100, (A)=50, (B)=70, (AB)=30  Result  A and B are independent iff  (AB)/(B)=(Aβ)/(β)    

Q: (g) P(-1.90 <Z S 2.00) 0.9985 (h) P(1.66 <Z S 2.50) 0.0422 (i) P(1.90 < Z) (j) P(|Z| < 2.50)

A: We have given that the z-scores in each of the cases.  Note: p-value is taken from standard normal d...

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Q: A physical fitness association is including the mile run in its school fitness program. The time for...

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Q: 58. High School Dropouts The table lists the percentage of the population that did not have a high s...

A: Given -          We are given a table with x and y values  Part a - We have to plot a line graph for...

Q: A. Choose one problem, formulate the null and alternative hypothesis. Then identify situations where...

A: Using the given information appropriate hypothesis, i.e., the claim, that is expected to be tested a...

Q: Example 5-2. If, p(x) = { 15ix = 1, 2, 3, 4, 5 (0, elsewhere Find (i) P {X = 1 or 2), and (ii) P{1}.

A: given; probability density function of X;p(x)=x15x=1,2,3,4,5 0elesewhere

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A: Given,f(y)=3y22; -1&lt;y&lt;10;  otherwise

Q: In a business, the Chief Executive Officer wants to know if his workers are for or against mandatory...

A: Given that In a business, the Chief Executive Officer wants to know if his workers are for or agains...

Q: You are given the following information relating to a frequency distribution comprising 10 observati...

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Q: 15) The health of employees is monitored by periodically weighing them in. A sample of 54 employees ...

A: Given: Sample size, n=54sample mean, x¯=183.9Population sd, σ=121.2α=0.10

Q: With the following data in 6 cities calculate the coefficient of correlation by Pearson's method bet...

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Q: Example 1 The mean height of 45 students ofa class is 60" and the mean height of 55 students Pf anot...

A: n1=45, x̄1=60, n2=55, x̄2=57   

Q: Suppose X is a binomial random variable with n = 200 and p = 0.4. %3D (Use normal approximation. Rou...

A: Givenn=200p=0.4x~Binomial(n=200,p=0.4)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1,...,n

Q: 1) Determine the probability of spinning each outcome using the spinner below. The spinner is only s...

A: As per our guidelines we are supposed to answer only one question and 3 sub-parts of that question p...

Q: In a pre-election poll, a candidate for district attorney receives 230 of 450 votes. Assuming that t...

A: Consider that p is the true proportion of all people, who support the candidate.

Q: A person's blood glucose level and diabetes are closely related. Let x be a random variable measured...

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Q: Question A random sample of 25 tires gave the average life as 38000 km and S.D. as 5000 km. Can it b...

A: We have given  x=38000SD=5000n=25μ=40000  

Q: Employers want to know which days of the week employees are absent in a five-day work week. Most emp...

A: We know value of chi square stastics : Summation of ( (O-E) ^2) /E where O= observed value  E= Expec...

Q: OA. 1.63 O B. 1.45 OC. -1.63 O D. none of these is correct

A: mean μ =94standard deviation σ = 16we know thatz = x - μ /σ

Q: Given that x = 4y + 5 and y kx + 4 are the regression lines of x and y on x respectively. Show that ...

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Q: Suppose that the true proportion of households with at least one car is T = .80. If a random sample ...

A: Assume that π as the true proportion of households with at least one car.

Q: A. 1.  A die is rolled twice Let Y be a random variable that denotes the number of even numbers tha...

A: Since you asked multiple questions, we will solve the first question for you. If you want any questi...

Q: (4) A college hires students to work as lab assistance. The number of hours per week students work f...

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Q: The prime Minister of a small Caribbean Island stated that 95% of the population was vaccinated fr...

A: For the given data Find i. Calculate a 99% confidence interval for the true proportion of all citize...

Q: 100 students appeared for an examination. The results of those who failed are given below : Marks : ...

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