Consider the following data:
x 1 2 3 4 5
P(X=x) 0.2 0.2 0.2 0.2 0.2

Find the standard deviation. Round your answer to one decimal place.

ANSWER: 0

I wanted to contribute an answer. :) I hope that's all right. May I get any points? <3

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 – +12

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)