Mathematics, 12.03.2020 20:32 Jonah58
A chemical supply company currently has in stock 100 lb of a certain chemical, which it sells to customers in 7-lb batches. Let X = the number of batches ordered by a randomly chosen customer, and suppose that X has the following pmf.
x 1 2 3 4
p(x) 0.3 0.5 0.1 0.1
(a) Compute E(X) and V(X).
(b) Compute the expected number of pounds left after the next customer's order is shipped and the variance of the number of pounds left. [Hint: The number of pounds left is a linear function of X.]
Answers: 3
Mathematics, 21.06.2019 15:30
The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) β1 β5 0 β1 1 3 g(x) g(x) = 2x β 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)
Answers: 3
Mathematics, 21.06.2019 19:30
The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?
Answers: 1
Mathematics, 21.06.2019 20:00
The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac
Answers: 3
Mathematics, 21.06.2019 23:30
Maddie's rectangular kitchen has an area of 10 square yards and a length of 3 3/4 yards.how many yards wide is maddie's kitchen?
Answers: 1
A chemical supply company currently has in stock 100 lb of a certain chemical, which it sells to cus...
Mathematics, 05.03.2021 15:40
Mathematics, 05.03.2021 15:40
Spanish, 05.03.2021 15:40
Advanced Placement (AP), 05.03.2021 15:40
Computers and Technology, 05.03.2021 15:40
Spanish, 05.03.2021 15:40
English, 05.03.2021 15:40
Mathematics, 05.03.2021 15:40
Mathematics, 05.03.2021 15:40
Biology, 05.03.2021 15:40
Mathematics, 05.03.2021 15:40
Mathematics, 05.03.2021 15:40