Question: How to remember which is the right formula for this question. What is the key words or easy way to know? Please check my answers.

How to remember which is the right formula for this question. What is the key words or easy way to know? Please check my answers.

For 30 points HW A survey found that 52% of Lubumbashi teens ages 16 to 18 have a savings account. You randomly select 45 Lubumbashi teens ages 16 to 18 and ask them whether they have a savings account. Use the Normal approximation to the Binomial to compute the following: / = n. p = (45) (52) = 23.4 a. The mean and standard deviation of Lubumbashi teens ages 16 to 18 who have a savings account. Round both values to 2 decimal places At least > > i. Mean = n,P n = 45 At most => > ii. Standard Deviation = 4gu formula for 0 = 48 Less than

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