A survey of 9,000 customers at Ron’s grocery store showed that 35% (3,150 customers) would buy Grainy-Os cereal. In the first month, 4,200 out of the 9,000 customers bought the cereal. What was the percent error in the survey estimate of the number of people buying Grainy-Os? Solved Steps:

1. 4200 - 3150 = 1050

2. 1050 divided by 4200 = 1/4

3. 1/4 Multiple 100 = 25%

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?