
A. Area of given figure = 280 + 77 = 357 cm²
B. length of semicircle = 22 cm
Answer:
The bill size can be considered usual.
Step-by-step explanation:
Mean (μ) = $108.43
Standard deviation (σ) = $36.98
Now, consider the distribution to be normal distribution :

Now, finding values of z-score from the table. We get,
P(Z > 1.75) = 0.9599
⇒ 95.99%
So, only 4.01 % of the people in the city wastes water.
Hence, the bill size can be considered usual.
Answer:
sorry i need points :c
Step-by-step explanation:
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Answer:
5 as 5/6 of 30= 25 and 25+5 =30
Step-by-step explanation: