Question

The following function is probability mass function of random variable X. x | -2 | -1 | 0 | 1 | 2 f(x) | 1/7 | 1/7 | 2/7 | 2/7 | 1/7 Determine the following probabilities. Give exact answers in form of fraction. F(-2) = P(X <= -2) = F(-1) = P(X <= -1) = F(0) = P(X <= 0) = F(1) = P(X <= 1) = F(2) = P(X <= 2) =

          The following function is probability mass function of random variable X.

x | -2 | -1 | 0 | 1 | 2
f(x) | 1/7 | 1/7 | 2/7 | 2/7 | 1/7

Determine the following probabilities. Give exact answers in form of fraction.
F(-2) = P(X <= -2) =
F(-1) = P(X <= -1) =
F(0) = P(X <= 0) =
F(1) = P(X <= 1) =
F(2) = P(X <= 2) =

$The following function is probability mass function of random variable X. x | -2 | -1 | 0 | 1 | 2 f(x) | 1/7 | 1/7 | 2/7 | 2/7 | 1/7 Determine the following probabilities. Give exact answers in form of fraction. F(-2) = P(X <= -2) = F(-1) = P(X <= -1) = F(0) = P(X <= 0) = F(1) = P(X <= 1) = F(2) = P(X <= 2) =$

Added by Michael M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Robin Corrigan

03/02/2022

Step 1

Since the only value that satisfies this condition is X = -2 with a probability of 1/7, the answer is $\boxed{\frac{1}{7}}$. Show more…

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The following function is probability mass function of random variable X. x | -2 | -1 | 0 | 1 | 2 f(x) | 1/7 | 1/7 | 2/7 | 2/7 | 1/7 Determine the following probabilities. Give exact answers in form of fraction. F(-2) = P(X <= -2) = F(-1) = P(X <= -1) = F(0) = P(X <= 0) = F(1) = P(X <= 1) = F(2) = P(X <= 2) =