hemical supply company currently has in stock 100 lb of a certain chemical, which it sells to customers in 6-lb batches. Let X the number of batches ordered by a randomly chosen customer, and suppose that owing pmf. 1 2 3 4 p(x) 0.3 0.5 0.1 0.1 mpute E(X) and V(X). batches batches? mpute 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.) pected weight left Ib riance of weight left Ib2
hemical supply company currently has in stock 100 lb of a certain chemical, which it sells to customers in 6-lb batches. Let X the number of batches ordered by a randomly chosen customer, and suppose that owing pmf. 1 2 3 4 p(x) 0.3 0.5 0.1 0.1 mpute E(X) and V(X). batches batches? mpute 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.) pected weight left Ib riance of weight left Ib2
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![A chemical supply company currently has in stock 100 lb of a certain chemical, which it sells to customers in 6-lb batches. Let X = the number of batches ordered by a randomly chosen customer, and suppose that X has the
following pmf.
2
3
4
p(x)
0.3
0.5
0.1
0.1
Compute E(X) and V(X).
E(X) =
batches
V(X) =
batches?
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.]
Ib
expected weight left
variance of weight left
Ib2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe29127a4-9a97-44ad-8507-d0d1cc98b411%2F17efab1e-e3dd-4c12-8452-de213be7f0b7%2Fgrtc3t9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A chemical supply company currently has in stock 100 lb of a certain chemical, which it sells to customers in 6-lb batches. Let X = the number of batches ordered by a randomly chosen customer, and suppose that X has the
following pmf.
2
3
4
p(x)
0.3
0.5
0.1
0.1
Compute E(X) and V(X).
E(X) =
batches
V(X) =
batches?
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.]
Ib
expected weight left
variance of weight left
Ib2
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