Q1. A spare part in a steel plant fails rarely, and has just failed. Historically it is known that the part failed in year 2000, 2001, 2003, 2006, 2007, 2011, and 2013. Assume the failure of the part is observed Poisson distributed. What is the part annual failure rate:
Statistics Quiz

Quiz
•
Mathematics, Education, Business
•
Professional Development
•
Hard
shivansh Shivansh
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.5714
0.3889
2.1667
0.4615
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A market research team compiled the following discrete probability distribution. In this distribution, X represents the number of automobiles owned by a family. X is as follows (0,1,2,3), and P(X) is as follows (0.1, 0.1, 0.5, 0.3) respectively. The standard deviation of x is
0.80
0.89
1.00
2.00
2.25
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At a certain workstation in an assembly line, the time required to assemble a component is exponentially distributed with a mean time of 10 minutes. Find the probability that a component is assembled in more than 12 minutes.
0.5034
0.3012
0.2442
0.2942
0.5084
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At a certain workstation in an assembly line, the time required to assemble a component is exponentially distributed with a mean time of 10 minutes. Find the probability that a component is assembled in more than 30 minutes
. 0.95022
0.04978
0.13530
None of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Average spending of consumers at a supermarket is USD 85. It was observed that 98.9% of consumers in this supermarket have spending more than USD 77. If it is known that the distribution of the spending of the consumers follows normal distribution, determine the standard deviation of the spending
2.66
3.39
4.00
4.21
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statement is true
For the Poisson distribution the mean and the standard deviation are the same.
For the Poisson distribution the mean and the variance are the same.
For the Exponential distribution the mean and the Variance are the same.
None of the above
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The National Bank operates its small branches with one teller window. On weekday mornings, arrivals to the teller window occur at random. The average inter arrival time is 2.5 minutes. Delays are expected if more than three customers arrive during any seven minute period. What is the probability that delay will occur.
0.3080
0.0002
0.6920
. None of the above
Create a free account and access millions of resources
Similar Resources on Wayground
12 questions
Intro to Statistics

Quiz
•
University - Professi...
15 questions
BCS301 Quiz-1(CSE,ISE,AI&ML)

Quiz
•
Professional Development
10 questions
Risk and Return (1)

Quiz
•
University - Professi...
7 questions
Combining Probability

Quiz
•
Professional Development
8 questions
Compare Proportions

Quiz
•
11th Grade - Professi...
10 questions
Statistics: Hypothesis Testing for Mean

Quiz
•
University - Professi...
10 questions
Chapter 14: Mathematics

Quiz
•
Professional Development
15 questions
Probability Distributions

Quiz
•
Professional Development
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade