Answer:32
Step-by-step explanation:
The answer is 9.4 hope this helps i took the quiz
Answer:
1. range is about 2 times or double the interquartile range.
2. 2.7222
Step-by-step explanation:
Mean: 15.9583
Median: 17
Range: 12
Lower quartile: 13
Upper quartile: 18.75
Interquartile range: 5.75
<u>2. Is also know as the (MAD) or Mean Absolute Deviation of a data set.</u>
The square root of 20 is an irrational number because you cannot turn it into a fraction.
The number on the screenshot is the square root of 20. Because this number doesn't end or repeat, you can't make it a fraction, and therefore it's irrational.
Answer:
The probability that the three friends will meet in the same group is .
Step-by-step explanation:
We can define the following random variable:
"The friend was assign to the ith group"
This way and let's define . This way and the pdf for is given by:
We want that the three friends stay in the same group, in other words ,
But this holds for only one of the three groups and need to compute for all possible outcomes. Since the condition is that the three friends stay together, there are three possibilities: They are assign to the first group or the second group or the third group. We are not interested in one of them being assigned to another group. We want:
Which is very close to zero.