A daycare program has an average daily expense of $75 the standard deviation is five dollars the owner takes a sample city for bills what is the probability the meaning of a sample be between 70 and $80.
Step 1:Calculate the z score for 70.
Step 2: Give the probability for step 1.
Step 3: Calculate the z score for 80.
Step 4: Give the probability for step 3.
Step 5: Add the probabilities from steps 2&4.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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step-by-step explanation:

the  office resources  are the human, physical and financial  resources  which are utilized for performing all the activities in order to achieve the organizational objectives.

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