Five years ago, one share of stock was worth $28.00. today, one share of the stock is worth $62.00.what was the percent of change? 25 points !

44%

Step-by-step explanation:

Here's the equation: Account= principle x time x  interest rate. In this problem, it would be $62 = $28 times 5 times X. $62=140x. 0.44. 44%.

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0