Answer: 0.317
Step-by-step explanation:
Let A be the event that the selected household is prosperous and B the event that it is educated.
Given : P(A)=0.138, P(B)=0.261
P(A and B)=0.082
We know that for any events M and N ,
Thus , 
Hence, the probability P(A or B) that the household selected is either prosperous or educated = 0.317
10.
a) to find its length find the difference in the x and y so you get 6 as the length.
b) the length will become 4 times the amount of the length before with is 24.
c) it will be the same as the first which is 6
d) they show different results with two different conversions happening
11.
do the same thing as 10!
I found the answer key t your worksheet. If you need an explanatin ask in comments and I will get back ASAP.
Yes it can be guaranteed to get a sum of 7 once
Can u explain it a little more clearly...
