Answer:
The region between one standard deviation from the mean is (400,600) which should be 68.27% of the data.
Step-by-step explanation:
The mean of this data set is 500 and the standard deviation is 100. The data that are within one standard deviation of the mean, must be in the range between 400 and 600, which according to the normal curve should be about 68.27% of the samples. The shaded region is shown in red on the attached figure.
Answer:
no
Step-by-step explanation:
If there is a common ratio between consecutive terms in the sequence then it is geometric, that is
= 
=
= 4 × 
= 7
There is not a common ratio between consecutive terms, thus
The sequence is not geometric
Attached pictures shows the answers in RED.
9514 1404 393
Answer:
$970
Step-by-step explanation:
If we assume that the $1295 selling price of the first color television was paid to Camarena, and that he had no costs other than the ones described, then his profit was ...
$1295 -25 -300 = $970
It belongs to rational. But also is negative
