![subject](/tpl/images/cats/mat.png)
Mathematics, 08.04.2020 02:51 savag3jitt
The random variable x is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the probability of an occurrence is the same in any two time periods of an equal length. It is known that the mean number of occurrences in ten minutes is 5.3.
1. Refer to Exhibit 2. The random variable x satisfies which of the following probability distributions?
a. normal b. Poisson c. binomial d. Not enough information is given to answer this question.
2. Refer to Exhibit 2. The probability that there are 8 occurrences in ten minutes is
a. .0241 b. .0771 c. .1126 d. .9107
3. Refer to Exhibit 2. The probability that there are less than 3 occurrences is
a. .0659
b. .0948
c. .1016
d. .1239
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:30
The circumference of a circle is 5 pi cm. what is the area of the circle?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:20
Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?
Answers: 3
![question](/tpl/images/cats/mat.png)
You know the right answer?
The random variable x is the number of occurrences of an event over an interval of ten minutes. It c...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 09.09.2020 23:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2020 23:01
![question](/tpl/images/cats/en.png)
English, 09.09.2020 23:01
![question](/tpl/images/cats/mkx.png)
Arts, 09.09.2020 23:01
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2020 23:01
![question](/tpl/images/cats/en.png)
English, 09.09.2020 23:01
![question](/tpl/images/cats/istoriya.png)
History, 09.09.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 09.09.2020 23:01
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
SAT, 09.09.2020 23:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2020 23:01