Data was taken on height and weight from the entire population of 700 mountain gorillas living in the Democratic Republic of Congo: ht\wt light average heavy short 170 70 30 tall 85 190 155 Let X encode the weight, taking the values of a randomly chosen gorilla: 0, 1, 2 for light, average, and heavy respectively. Likewise, let Y encode the height, taking values 0 and 1 for short and tall respectively. (a) Determine the joint pmf of X and Y and the marginal pmf's of X and of Y. (b) Are X and Y independent? (c) Find the covariance of X and Y.

Q: Calculate the average number of visits to Target using the data in

A: W X (Visits) WX 5 6 36 1 7 49 5 8 64

Q: A sample of average high temperature during July (x) of cities in Colorado compare in feet (y)…

A:

Q: A random sample of 12 song lengths (in minutes) on a playlist found: 278.3, s = 19. Build a 80% CI…

A: We have given that the random sample of size 12, sample mean 278.3 and standard deviation 19. The…

Q: The owner of a new car conducts a series of six gas mileage tests and obtains the following results,…

A: From the original problem, we have the data set 20.3, 22.7, 21.4, 20.6, 21.4, 20.9

Q: According to a dental association, 68% of all dentists use nitrous oxide (laughing gas) in their…

A:

Q: Please answer all 4

A: Below is the clarified and detailed explanation for above tricky question....if you are ok with my…

Q: :Find :Mean 3.9 4.1 3.2 3.8 :Median 3.5 4.5 4.0 2.5 :Mode

A: Mean is defined as the sum of observations divided by number of observations. i.e Mean= x1+x2+-xnn…