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.]

x=9

Step-by-step explanation:

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hi there!

first we need to find out how much they are adding to each number to make the next number.

ex: 4 + 4 = 8, 8 + 8 = 16, and so on.

so continuing with 32,

32 + 32 = 64

64 + 64 = 128

128 + 128 = 256

256 + 256 = 512

4, 8, 16, 32, 64, 128, 256, 512

the 8th term of the sequence will be 512

hope this ! ~

answer:

probably the same as it is today since you did not eat the corn dogs yet

step-by-step explanation: