Question

The following table shows the probability distribution of for the discrete random variable X= the number of traffic accidents reported in a day in a small city in the Midwest. x 0 1 2 3 P(x) 0.23 0.17 0.26 0.34 1. The probability of less than 1 accident is: a. 0.23 b. 0.40 c. 0.32 d. 0.60 2. The mean (expected value) of X is: a. 1.17 b. 1.71 c. 0.17 d. 0.71 3. The probability that X will be at least 2 is: a. 0.26 b. 0.34 c. 0.60 d. 0.66

Name: the following table shows the probability distribution of for the discrete random variable x the number of traffic accidents reported in a day in a small city in the midwest x 0 1 2 3 px 023 90468
Uploaded: 2022-06-11T15:33:57-08:00
Duration: 3 min
Channel: David Nguyen
Description: the following table shows the probability distribution of for the discrete random variable x the number of traffic accidents reported in a day in a small city in the midwest x 0 1 2 3 px 023 90468

          The following table shows the probability distribution of for
the discrete random variable X= the number of traffic
accidents reported in a day in a small city in the Midwest.
x
0
1
2
3
P(x)
0.23
0.17
0.26
0.34
1. The probability of less
than 1 accident is:
 a.
0.23        b.
0.40      c.
0.32       d. 0.60
2. The mean (expected value) of
X is:
a. 1.17      b.
1.71       c.
0.17        d. 0.71
3. The probability that X will
be at least 2 is:
a.
0.26       b.
0.34       c.
0.60       d. 0.66

Added by Brenda W.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert David Nguyen

06/11/2022

Step 1

From the given table, P(X = 0) = 0.23. Step 2: The mean (expected value) of X can be calculated using the formula E(X) = Σ(x * P(x)), where x is the value of the random variable and P(x) is the probability of that value. E(X) = 0 * 0.23 + 1 * 0.17 + 2 * 0.26 + Show more…

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The following table shows the probability distribution of for the discrete random variable X= the number of traffic accidents reported in a day in a small city in the Midwest. x 0 1 2 3 P(x) 0.23 0.17 0.26 0.34 1. The probability of less than 1 accident is: a. 0.23 b. 0.40 c. 0.32 d. 0.60 2. The mean (expected value) of X is: a. 1.17 b. 1.71 c. 0.17 d. 0.71 3. The probability that X will be at least 2 is: a. 0.26 b. 0.34 c. 0.60 d. 0.66