Question: In following Exercises, find the expected value for the random variable having the specified histogram. 1. 2. 3. 4. .4 .3 .2 .1 0. 4

In following Exercises, find the expected value for the random variable having the specified histogram.
1.

.4 .3 .2 .1 0. 4 2.

2.

.4 .2 .1 6. 7

3.

.4 .3 .2 .1 0. 4 2. .4 .2 .1 6. 7

4.

.4 .3 .2 .1 0. 4 2. .4 .2 .1 6. 7

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