PLEASE PLEASE ANSWER QUICK I NEED TO GO SOMEWHERE SOON WILL GIVE Which data collections show bias? Check all that apply.

An English teacher polls the top-ten most avid readers to find their favorite books.

An insurance company polls drivers of sports cars to find their average number of tickets.

A restaurant manager surveys every tenth customer for one week.

An assistant principal surveys each student who is sent for discipline.

A fundraiser organizer draws five names from a hat that contains all entries.

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Find the solution(s) to x^2-14+49=0

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.