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
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
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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 |
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