Question: The following TI-84 Plus display presents some population parameters. a. Assume the population is bell-shaped. Approximately what percentage of the population values are between 124

The following TI-84 Plus display presents some population parameters.1-Var Stats x=134 =2680 Ex=359620 Sx 5. 12989176 x=5 n=20 minX=127 Q1=129

a. Assume the population is bell-shaped. Approximately what percentage of the population values are between 124 and 144?

b. Assume the population is bell-shaped. Between what two values will approximately 68% of the population be?

c. If we do not assume that the population is bell-shaped, at least what percentage of the population will be between 119 and 149?

1-Var Stats x=134 =2680 Ex=359620 Sx 5. 12989176 x=5 n=20 minX=127 Q1=129

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