Find the sample needed to estimate the percentage of adults who have consulted fortune tellers. use a 0.03 margin error, use the confidence level of 98%, and use results from a prior pew research center poll suggesting that 15% of adults have consulted fortune tellers.

766

Step-by-step explanation:

Given : The proportion of adults have consulted fortune tellers : p=0.

Margin of error : E= 0.03

Significance level :

Critical value :

The formula to calculate sample size ( if proportion is known) :-

Hence, the required minimum sample would be 766.

answer:   he will receive $21093.75 only.

explanation:

since we have given that

cost of house = $180,000

since he has a coinsurance clause of 75%,i.e. he does not fully insured his property.

amount the owner insured for the property = $101,250.

amount he lost in damage = $50,000

amount he will receive from insurance is given by

so, he will receive $21093.75 only.