2) As a wildlife biologist you are currently researching feral pigs in Texas and need to collect data to yield the average weigh
1 answer:
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Answer:
Step-by-step explanation:
The confidence interval for population mean is given by :-
Given : Sample size : n= 35 , large sample (n>30)
Mean difference :
Standard deviation :
Significance level :
Critical value :
Now, the 99.9% confidence interval for the mean difference between the marks scored last week and marks scored this week by all the students will be :-
Hence, the 99.9% confidence interval for the mean difference between the marks scored last week and marks scored this week by all the students =
Answer:
The vehicle covers 126 miles on 7 gallons of fuel.
Step-by-step explanation:
Given:
The distance traveled is directly proportional to the amount of fuel.
For gallons of fuel distance traveled
miles can be given as:
∝
where is constant of proportionality.
The vehicle covers miles on
gallons.
So
Dividing both sides by 5.
∴
When gallons
miles
∴ The vehicle covers 126 miles on 7 gallons of fuel.