Evaluate the expression when x = 7 and y = 2 x – y – 3 a. 2 b. 5 c. 6 d. 8
1 answer:
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Answer:
The require expected value of x is
Step-by-step explanation:
Consider the provided information.
Mike will play a game in which he will toss a penny, a nickel, and a dime at the same time.
The probability of head is
He will be awarded 3 points for each coin that lands with heads faceup.
Let the random variable x represent the total number of points awarded on any toss of the coins.
Thus the expected value is:
Hence, the require expected value of x is