Consider the following table:
Defects in batch | Probability |
0 | 0.30 |
1 | 0.28 |
2 | 0.21 |
3 | 0.09 |
4 | 0.08 |
5 | 0.04 |
Find the standard deviation of this variable.
1.49
1.99
0.67
1.41
Let X denotes the number of defects .
x | P[X=x] |
0 | 0.30 |
1 | 0.28 |
2 | 0.21 |
3 | 0.09 |
4 | 0.08 |
5 | 0.04 |
Total | 1.00 |
where
So,
and
So,
Consider the following table: Defects in batch Probability 0 0.30 1 0.28 2 0.21 3 0.09...
Q5. Consider the following table. Defects in batch Probability 0 0.09 1 0.24 2 0.41 3 0.12 4 0.10 5 0.04 Find the variance of this variable. Homework Help: 3VA. Calculating the mean, variance, and standard deviation of discrete variables (Links to an external site.) (4:35) 3DC. Mean, expected value, variance, and standard deviation of discrete variables (Links to an external site.) (DOCX) Group of answer choices 2.02 1.48 1.22 1.43 Q6 Consider the following table. Defects in batch Probability...
Question 3 2 pts (CO 4) Consider the following table Defects in batch Probability 0.04 0.11 0.25 0.20 0.19 0.21 2 3 4 Find the variance of this variable. 1.41 2.08 3.02 1.44
Consider the following table. Defects in batch Probability 2 0.21 3 0.37 4 0.22 5 0.10 6 0.07 7 0.03 Find the standard deviation of this variable which is one of these answers: 1.64 1.65 3.54 1.28
Consider the following table. Defects in batchProbability 2. 0.35 3. 0.23 4. 0.20 5. 0.09 6. 0.07 7. 0.06 Find the standard deviation of this variable. 2.27 3.48 1.51 4.50
Consider the following table Defects in batch Probability 0.18 0.29 0.18 0.14 0.11 0.10 Find the standard deviation of this variable. 4.01 1.52 1 58 2.49
Consider the following joint probability table. B1 B2 B3 B4 A 0.09 0.15 0.21 0.15 Ac 0.09 0.10 0.09 0.12 a. What is the probability that A occurs? (Round your answer to 2 decimal places.) b. What is the probability that B2 occurs? (Round your answer to 2 decimal places.) c. What is the probability that Ac and B4 occur? (Round your answer to 2 decimal places.) d. What is the probability that A or B3 occurs? (Round your answer...
4.8.147 :3 Que Consider the population described by the probability distribution shown below. The random variable is observed twice with independent observations. | X p(x) e Sample | 1,1 1,2 1,3 1,4 2,1 2,2 2,3 2,4 Full data set e 0.2 Probability 0.04 0.04 0.06 0.06 0.04 0.04 0.06 0.06 0.2 3 0.3 Sample 3,1 3,2 3,3 3,4 4,1 4,2 4,3 4,4 4 0.3 Probability 0.06 0.06 0.09 0.09 0.06 0.06 0.09 0.09 ON a. Complete the sampling distribution table....
1/ Consider the following table. Defects in batch Probability 2 0.18 3 0.29 4 0.18 5 0.14 6 0.11 7 0.10 Find the standard deviation of this variable. 1.52 4.01 1.58 2.49 2/ The standard deviation of samples from supplier A is 0.0841, while the standard deviation of samples from supplier B is 0.0926. Which supplier would you be likely to choose based on these data and why? Supplier B, as their standard deviation is higher and, thus, easier to...
Problem 5 Consider the following probability distribution. 0 1 2 3 4 5 6 7 fx (2) | 0.18 0.08 0.01 0.23 0.08 0.09 0.24 0.09 What is the mathematical expectation for U(x) = x2? 3.63 18.77 5.59 17.77
Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000 machine parts inspected Defects 0 3 Probability 0.268 0.305 0.240 0.140 2 O 4 0.036 5 0.011 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is (Round to one decimal place as needed.) (b) Interpret the...