(p. 164). Let x represent the age (in years) a parent would buy their child their first...

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(p. 164). Let x represent the age (in years) a parent would buy their child their first smart speaker (e.g., Amazon Echo, Google Home). Consider the probability distribution for x (adapted from the article) shown in the table.

a. Verify that the probabilities in the table sum to 1.

b. Find P1x 6 62.

c. Find P110 6 x 6 152.

d. Find E(x) and practically interpret the value. Age (years) to Buy 1st Smart Speaker Probability 3 .01 4 .02 5 .02 6 .02 7 .03 8 .04 9 .05 10 .08 11 .07 12 .07 13 .06 14 .09 15 .05 16 .15 17 .15 18 .09

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