Alocal pizza restaurant surveyed a random sample of 150 people that live in their town about their favorite type of pizza. of the people surveyed, 40 said that pepperoni pizza was their favorite type of pizza. there are 2,800 residents that live in the town.

based on the data, is 750 a reasonable estimate for the number of residents in the town whose favorite pizza is pepperoni?
a) no, because the proportion of the sample whose favorite pizza is pepperoni is about 27%.
b) yes, because the proportion of the sample whose favorite pizza is pepperoni is about 27%.
c) no, because the proportion of the sample whose favorite pizza is pepperoni is about 40%.
d) yes, because the proportion of the sample whose favorite pizza is pepperoni is about 40%.

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry