Ana has chosen a mobile phone plan that consists of a fixed payment of S / 30 per month, which includes 100 minutes of calls and 200 text messages. In addition, each minute and text message additionally, a recharge of S / 0.17 and S / 0.04, respectively. Which expression changes to calculate the consumption of a month? How much will Ana pay for a consumption of 226 minutes and 317 text messages?

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)

People end up tossing 12% of what they buy at the grocery store. assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. calculate the mean and the standard error for the sample proportion p. b. describe the sampling distribution of p in part a. draw a graph of this probability distribution with its mean and standard deviation. what is the probability that your survey will provide a sample proportion more than 15%? c. d. population proportion? what is the probability that your survey will provide a sample proportion within + 0.03 of the