The random variables X and Y have the joint probability distribution given below. X=1 X=2 Y=1 0.20 0.40 Y=2 0.10 0.30
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a. Write out and draw the marginal
b. Find the
c. Write out and draw the conditional probability distribution of X, given that Y = 2.
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- Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 6% say their favorite sport is auto racing. You randomly select 600 adults and ask them to name their favorite sport. Complete parts (a) through (d). ..... Determine whether a normal distribution can be used to approximate the binomial distribution. Choose the correct answer below. O A. No, because nq <5. B. No, because np <5. OC. Yes, because both np 25 and nq 2 5. Click to select your answer and then click Check Answer. Clear All Final Check Get More Help - HIST SorConsider the following probability distribution function of X and Y: 1 2 0.35 0.05 Y 1 0.15 0.45 Find the variance of X and the variance of Y.5. (Solve using pen and paper) Cans of salmon are supposed to have a net weight of 6 oz. The canner says that the net weight is a random variable with mean m=6.05 oz. and stand. dev. s=.18 oz. Suppose you take a random sample of 36 cans and calculate the sample mean weight to be 5.97 oz. a. Find the probability that the mean weight of the sample is less than or equal to 5.97 oz.
- QI For the next data if (k = 6 , L= 6 ), The probability distribution is: * 12 16 17 17 20 21 22 25 25 26 28 30 32 32 34 35 39 41 43you grab 4 marbles from a bag containing 5 red marbles and 2 green marbles. Let X be the number of red marbles you grab. a. Complete yje probability distribution for X. Show all your work. x p(X=x)Subject; algebra
- Write the binomial probability and the normal probability for the shaded region of the graph. Find the value of each probability and compare the results. AP(x) 0.24- n = 16 p= 0.5 0.2- 0.16- 0.12- 0.08- 0.04- 0- 2 4 6 8 10 12 14 16 Write the binomial probability for the shaded region of the graph and find its value. Select the correct choice below and fill in the answer box within your choice. (Round to four decimal places as needed.) O A. P(4Answer 1&2 plzshow complete solution, thank you.A bag contains 10 cards, of which 2 are marked two, 1 is marked three, 4 are marked four and 3 are marked five. Construct a probability distribution table, showing X, the number on the card. The tables has been constructed. It is attached. Can you help with part ii. Use your table to find the variance of this probability distribution. ?HELP PLEASE WITH COMPLETE SOLUTION! THANK YOU3. HelpSEE MORE QUESTIONS
