2. The nicotine content in a single cigarette of a particular brand has a mean of 0.8 mg and a standard deviation of 0.1 mg. If a random sample of 100 cigarettes is taken, what is the probability that the mean amount of nicotine will be less than 0.79 mg?

Karla picks up her friend who lives in another city and they head north on a road trip. Karla looks at a map and sees that after 5 hours of driving, they are passing mileage marker 352 on Highway 277. After driving for 12 hours, they pass mileage marker 842. What is Karla's average rate during the road trip? miles per hour

Calculate Sam’s GPA and Samantha’s.

Widget Sales Jesaki Inc. is trying to enter the widget market. The research department established the following price-demand, cost, and revenue functions: p(x) = 60 1.20x Price- demand function Cost function C(x) = 210 + 12x R(x) = xp(x) = x(60 - 1.20x) where x is in thousands of widgets and C(x) and R(x) are in thousands of dollars. The price p(x) is the price in dollars of one widget when the demand is a thousand widgets. All three functions have domain 1 ≤ x ≤ 50. Revenue function