subject
Mathematics, 10.08.2021 04:50 MrConman8460

The following table shows the probability distribution for a discrete random variable.
X
12
15
17
20
22
24
25
30
P(X| 0.07 0.21
0.17 0.25 0.05 0.04 0.13 0.08
The mean of the discrete random variable X is 19.59. What is the variance
of X? Round your answer to the nearest hundredth.
A. 23.18
O B. 26.55
C. 34.71
D. 31.06
SUBMIT


The following table shows the probability distribution for a discrete random

variable.
X
12
15
17

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 20:30
Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2
Answers: 2
question
Mathematics, 21.06.2019 21:00
Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months
Answers: 3
question
Mathematics, 22.06.2019 02:30
Which net represents the pyramid below? meh
Answers: 1
question
Mathematics, 22.06.2019 04:00
Yesi's dog weighed 5 pounds when she got him. he now yesi's dog weighed 5 pounds when she got him. he now weighs 45 pounds. how much did yesi's dog gain, in ounces?
Answers: 1
You know the right answer?
The following table shows the probability distribution for a discrete random variable.
X
Questions
question
Mathematics, 01.04.2020 01:57
question
Mathematics, 01.04.2020 01:57
question
Mathematics, 01.04.2020 01:57
Questions on the website: 13722361