elizaannettem4466
10.03.2021 •
Mathematics
Ms. Kenney's husband provides music lessons online for a fee. He charges $25 per lesson plus an initial fee of $50. How many lessons could Mrs. Murphy sign up for if she wants to spend no more than $100? Write an inequality to represent this problem. Show all steps to solve the inequality. Explain your final answer and what it means in the context of the given problem
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Ответ:
z-score = 0.741
Step-by-step explanation:
The provided information are:
Population mean
= 103
Population standard deviation
= 2.7
Score (X) = 105
The formula to calculate the z-score is:
The z- score can be calculated as:
Hence, the z-score is 0.741.