The label on a box of Strike matches states ‘Average Contents 40 Matches'. The contents
of 30 boxes of Strike matches were counted
no. of matches 37 38 39 40 41 42 43
frequency
4 5 6 7 2
4
2.

a
Find the mean, median and modal
number of matches per box.
b Is the statement on the box true or not?​

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

answer: 3.26019516

step-by-step explanation:

the answer is 150.6

step-by-step explanation:

you multiply .02 by 30 and get .6.

and then you multiply 5.00 by 30 and get 150.

hope this !