A day care program has an average daily expense of $75.00. The standard deviation is $15.00. The owner takes a sample of 64 bills. What is the probability the mean of his sample will be between $70.00 and $80.00? Step 1. Calculate a z-score for $70.00:
Step 2. Give the probability for step 1:
Step 3. Calculate the z-score for $80.00:
Step 4. Give the probability for step 3:
Step 5. Add the probabilities from steps 1&3:

y > 1/3x

y < = -x + 4

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step-by-step explanation:

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answer: the center is the median and/or mean of the data. the spread is the range of the data. and, the shape describes the type of graph. the four ways to describe shape are whether it is symmetric, how many peaks it has, if it is skewed to the left or right, and whether it is uniform. good luck

step-by-step explanation: