2 years ago

A 50% increase followed by 33% decrease is a greater than original less than original or same as original

Mathematics

1 answer:

Blababa [14]2 years ago

3 0

A 50% increase followed by a 33% decrease leaves you with a constant 17% increase. It is less than the original.

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Call a household prosperous if its income exceeds $100,000. Call the household educated if the householder completed college. Se

melisa1 [442]

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 ,

$\text{P(M or N)=P(M)+P(N)-P(M or N)}$

Thus , $\text{P(A or B)=P(A)+P(B)-P(A or B)}$

$\text{P(A or B)}=0.138+0.261-0.082\\\\\Rightarrow\text{ P(A or B)}=0.317$

Hence, the probability P(A or B) that the household selected is either prosperous or educated = 0.317

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