A researcher is estimating the population proportion of people in the United States who delayed seeking medical care during the last 12 months due to costs. The estimate must be accurate within 2% of the population with 90%confidence. Find the minimum sample size needed when: a)no preliminary estimate is available b) a previous survey found that 6.3% of people in the USA delayed seeking care during the last 12 months due to costs

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon