harold has a disability policy with 90/10 coinsurance and a $200 deductible. if he has a $1200 claim, how much will the insurance pay? a $900
b $200
c $1200
d $300

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.