In the following probability distribution, the random variable X represents the number of disinfectant products that were purchaed by the head of a household the week the COVID-19 crisis started in the USA. Find the mean of the random variable. Do not round your final answer.  x P(x) 0 0.15 1 0.38 2 0.42 3 0.15

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 1E
icon
Related questions
Question

In the following probability distribution, the random variable X represents the number of disinfectant products that were purchaed by the head of a household the week the COVID-19 crisis started in the USA. Find the mean of the random variable. Do not round your final answer. 

x P(x)
0 0.15
1 0.38
2 0.42
3 0.15
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL