Desiree works 28 hours per week. she has a monthly income of $120 from investments. desiree also plays in a band one night a week making $200. she has a total annual income of $49,696. desiree wants to ask her boss for a raise so that next year she can have a total income of $51,880. assuming the other incomes remain the same, how much of an hourly raise will desiree need? a. $1.25 b. $1.50 c. $1.75 d. $2.00

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