Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1) In the continuous distribution, probability density is provided by the function. Determine k, mean, variance and the distribution.

2)a) The number of monthly breakdowns of the computer is a random variable having the Poisson distribution with mean equal to 1.8. Determine the probability that this computer will function for the month

a) Without a breakdown

b) With at least one breakdown.

(b) If probability that the applicant for the driver’s license will pass the road test on any given trail is 0.8, find the probability that he will finally pass the test:

a) On the fourth trail and

b) less than four trails.

3) In the normal distribution, 7% of the items are under 35 and 89% of the items are under 63. Specify the mean and standard deviation of distribution.

4) Determine the correlation coefficient between X and Y using the following data.

X: 65 67 66 71 67 70 68 69

Y: 67 68 68 70 64 67 72 70

5) Fit the parabola by method of least squares to the following data also determine y at x=6.

X: 1 2 3 4 5

Y: 5 12 26 60 97

6) Customers reach at one man barber’s shop, as per the Poisson process with the mean inter arrival time of 12 min. Customers spend an average of 10 min in the barber’s chair.

a) What is the expected number of customers in barber shop and in queue?

b) Determine the percentage of customers who have to wait prior to get in to the barber’s chair?

c) describe the probability that waiting time in the system is greater than 30 min?

18. There are 3 typists in an office. Every typist can type an average of the 6 letters per hour. If letters reach for being typed at rate of 15 letters per hour.

a) Find the fraction of time all the typists will be busy?

b) describe the average number of letters waiting to be typed?

c) Determine the average time a letter has to spend for waiting and being for typed?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M912575

Have any Question? 


Related Questions in Statistics and Probability

A multiple-choice test consists of 7 questions each

A multiple-choice test consists of 7 questions. Each question has answer choices of a, b, c, and d, and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that she ...

Focusing on leadership and changeintroductionin this

Focusing on leadership and change Introduction In this assignment, we will focus on you, your relationship to leadership and change in your work context and the management ideas that have influenced those topics. Rather ...

What three criteria must be met to establish that one

What three criteria must be met to establish that one variable causes changes in behavior? Which of these criteria are met by quasi-experimental designs? Which of these criteria are not met, and why?

1 travelers are asked how many hours they are willing to

1. Travelers are asked how many hours they are willing to drive while on vacation in one day. A total of 86 travelers reported a mean of 11.55 hours with a standard deviation of 1.2 hours. Find the 99% confidence interva ...

Generally researchers are more concerned about making a

Generally, researchers are more concerned about making a Type I error than a Type II error. Can you think of any instances in which you might be more concerned about making a Type II error?

A recent study that examined bone strength collected data

A recent study that examined bone strength collected data from cadaveric femurs from subjects in three age groups. The data are below. Does mean bone strength differ for the three age groups? Use a 5% level of significan ...

A commuter airline flies airplanes that seat 14 passengers

A commuter airline flies airplanes that seat 14 passengers. From experience, they have learned that, on average, 85% of the passengers holding reservations for a particular flight actually show up for the flight. If they ...

Three different brands of pain relief medication are

Three different brands of pain relief medication are available for minor aches and pains. It is of interest to know whether the mean time to relieve the pain differs from brand to brand. To find out, twelve individuals w ...

Consider the following system of preferences recall that

Consider the following system of preferences (recall that the preferences of the women appear in the lower right side of each cell (read vertically) and the preferences of the men appear on the upper left side (read hori ...

The 1930s and the great depression with the complete

The 1930s and the Great Depression: With the complete collapse of the American economy, the people of the United States explored many possible solutions and then settled on one. What are all of the options that were in p ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen