During summer, when the snow melts, the water level of the Yukon River increases. If the water level of the river increased by 7
2 answers:
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Answer:
Mrs. Stern washed more
laundry still needs to be washed.
Step-by-step explanation:
Total amount of laundry:
of the laundry still needs to be done.
Mrs. Stern washed of the laundry.
Her son washed of the laundry.
Mrs. Stern washed more laundry than her son.
Answer:
The test statistic is
Step-by-step explanation:
From the question we are told that
The population mean is
The sample size is
The sample mean is
The standard deviation is
Generally the test statistics is mathematically represented as
substituting values