OpenStax, Introductory Statistics 2e §7.2 The Central Limit Theorem for Sums · Exercise 27 · Statistics · Sampling distributions
The Central Limit Theorem for Sums · Exercise 27
A market researcher analyzes how many electronics devices customers buy in a single purchase. The distribution has a mean of three with a standard deviation of 0.7. They sample 400 customers.
What is P(Σx < 1,186)?
OpenStax, Introductory Statistics 2e · §7.2 The Central Limit Theorem for Sums · Exercise 27
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