Answer:
your y intercept is 90 and the equation would be y= 90 and x is unknown
Answer:
A
Step-by-step explanation:
X is moving by 9s and Y is moving by 10
Answer:
Step-by-step explanation:
A) From the stem-leaf plot, we see that out of 21 tunas, 5 have dangerous levels of copper since the levels go beyond 5.7 parts per million. The required proportion is 5/21=0.2381
B) Given the sample mean is {x}=4.77, sample standard deviation s=1.16 and the sample size is n=21.
Since the population standard deviation is not known, we use t-distribution.
So the 98% CI for mean is
4.77 ± t{1-0.02 /2,20} x 1.16/sqrt(21) = (4.13, 5.41)}
We are sure with 98% confidence the true copper level (in parts per million) lies in the interval (4.13, 5.41)
11, one bag of apples is 4.2 lbs. (8.4 lbs divided by 2 = 4.2 lbs) it can’t be 12 because 12 bags of apples is 50.4 lbs which exceeds the limit, therefore it has to be 11 bags of apples.
