AP Statistics CW – Types of Errors in Testing Name___________________________________ Directions: Write sentences describing type I and type II errors for a hypothesis test of the indicated claim and identify the consequences. Don’t forget to identify the H o and the H A and define the parameter. 1. The USDA limit for salmonella contamination for chicken is 20%. A meat packing company claims that its chicken falls within the limit. (Less than or equal to 20%). 2. A company specializing in parachute assembly claims that its main parachute failure rate is not more than 1%. 3. A car dealer claims that at least 24% of its new customers will return to buy their next car. 4. A study claims that the proportion of adults in the U.S. with rudimentary literary skills is 21%. 5. A local chess club claims that the length of time to play a game has a standard deviation of more than 23 minutes.