Question: Answer the following questions using thez-score chartor by using a spreadsheet. 7. The Weights of 100 remote control cars at a competition are approximately normally

Answer the following questions using thez-score chartor by using a spreadsheet.

7. The Weights of 100 remote control cars at a competition are approximately normally distributed. The average weight is 3.2 kg, with a standard deviation of 0.4 kg. a. How many remote control cars would be disqualified if it were against the rules to have a car with a weight of more than 4 kg or less than 2.4 kg? b. Acar is said to be in the 90th percentile. How much does it weigh

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