8. Suppose that three cards are drawn randomly from an ordinary 52-card deck. Let X be the number of spades in the sample, and let y be the number of clubs in the sample. Write down a formula for the joint pmf px,y(x, y). Make sure about specifying the ranges on x and y. you are careful

Q: Compute Jenna's Z score and actual score on the Calculus test after knowing the follo 15.62% of the…

A: Given that 15.62% of the class got a score above hers.The mean of the test for the class was 80% and…

Q: Suppose an animal scientist, Dr. Dew believes that birth weight (in kg) explains the variation in…

A: We have birth weight as X variable and length of gestation as Y variable.  On this context, y =…

Q: 2. value of E Cx-)? for What is the Scores 2,2. 14!

A: Given  2,2,1,4

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A:

Q: L ws (들) 2

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Q: 14. If mZSTU = (5x- 16)' and mSU = (12x-50)', find mZSTU. U

A: The given questions are solved below.

Q: If SS between = 40, SSwithin=60,dfbetween=4, and dfwithin =30, then MS within =?

A: Solution: From the given information, SS between = 40, SS within =60, df between = 4 and df…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

Q: D3 =, P73 = Q3

A:

Q: A professor gives A's to students with z-scores of +1.50 or higher. a. What proportion of a class…

A: The distribution of proportion should be normally distributed. z-score = 1.5

Q: 4. Find the value of x and the measure of ZDEG. (8x + 3)° 1 MLDEG == (mDG – mDF) (31x- 4) 190 ー=X X…

A: Topic = Geometry

Q: Number of Tails (X) 1 on P(X) 0.125 0.375 0.375 О.125 4. Find P (X 1) A. 0.125 B. 0.5 С. О.625 D.…

A:

Q: 50. Prepare a 2x2 table from the following information and calculate Yule's Čoefficient of…

A:

Q: For a hypothesis test of the claim that the mean amount of sleep for adults is less than 6 hours,…

A: Here given , For a hypothesis test of the claim that the mean amount of sleep for adults is less…

Q: 4.2 Find the value of *d(\rf°).

A: Solution: ∫02x5d|x|3 Now Let, |x|3=t Since for integration, limit given to us is from 0 to 2, which…

Q: »51. If x, and x, bé 2 values of a variable x and each of the remaining (n-2) values be (x +x. find…

A:

Q: From a basket of fruits 75 apples and 29 oranges are drawn. Do these figures confirm the hypothesis…

A: Given: Number of apples=75 Number of oranges=29

Q: 1f. It has been reported that the first week in May NC has an average daily temperature of 88…

A: Average daily temperature of first week in May is 88 degrees. The first week had recorded…

Q: Let R = Z36. Finda. N(<0>). b. N(<4>). c. N(<6>).

A: In the given problem, R = Z_36 represents the ring of integers modulo 36. The elements of R are the…

Q: .03. test if the normal popu- and a treat- e treatment is age of 4 msec. vith a two- ,what is the…

A: Given, The hypothesis to be tested here is as follows: This is a two-tailed test. In case the…

Q: we can first multiply Va (x³ + 7) using distribution: Vã - x³ +7/¤. Then, we need an algebra rule:…

A:

Q: 6. If P(A) = 23, find P(Ā).

A: Given that. P(A)=0.23

Q: 4. The ages of the seven members of the Philippine Biologists Association (PBA) are 45, 65, 30, 28,…

A: As per the guidelines we are allowed to solve maximum of 1 question If you need help with another…

Q: Given X = 45, ? ̅=52, and s = 8. Compute for the corresponding z-score.

A: Given :  x = 45  Mean (x ) = 52Standard deviation (s) = 8

Q: Suppose that X1, X2,... Xn are n values of a variable X and X is the arithmetic mean. Can we obtain…

A:

Q: If the P-value is less than the a value, which one is correct? Reject Ho or fail to reject Ho Ans:

A: if the P-value is less than the α value ,than

Q: 41 48 Find x

A:

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: 4. In a study, there are three independent groups. In Group 1, the scores are 2, 7, and 3; in Group…

A: The Anova is used to measure the mean significant between more than two groups. It used F…

Q: . 6.9. If 2x; + 3y, = 5; i 1, 2, ..., n and mean deviation of x1, x, . x about their mean is 12,…

A: Measures of Dispersion: The word dispersion is used to denote the degree of heterogeneity in the…

Q: 3. A personal trainer claims that their exercise programme will lead to a re- duction in weight. The…

A: In order to determine whether the trainer's claim is valid or not, conduct a paired mean difference…

Q: Suppose that for a certain data, the Z score of the median = + 2.0, the distribution of the data is:…

A: As the z-score of the median is positive, we can say that the median is greater than the mean

Q: 4. It is known that the weight of Angelo is 55 kg and it falls at Pk. What is k?

A: The weights of n=9 students are given X: 57,63,67,70,55,53,65,50,60The kth percentile 55 then to…

Q: 78 54 10

A:

Q: :Assume P (ANB) = .12, P ( A n B .29, and P ( A UB) = .72. Find P(A).

A: Solution-: Given: P(A∩B)=0.12, P(A¯∩B¯)=0.29, P(A∪B¯)=0.72 We find, P(A)=?