You plan to open a lemonade stand near where you live. the cost to buy the wood is $60 and the cost to make the lemonade is $3 per cup. you plan to sell each cup pf lemonade for $5. let x be the number of cups of lemonade sold Write a function P(x) that represents the total profit you earned from selling x cups of lemonade

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost