Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1. There're four inspectors who are scheduled to work 7:00 AM - 3:00 PM shift every day at the nearby airport.  Each day there is the 0.15 chance that each inspector will unexpectedly not report for work. If there ever are less than three inspectors on duty, the security checkpoint should be shut down till a substitute inspector(s) can be brought in to work the remainder of the shift.  Let Y be the number of inspectors that show up for 700 AM - 300 PM shift on given day. Find out the probability that the security checkpoint will be shut down tomorrow?

2.  There're 30 identical items in the delivery box. For the box to pass inspection, at least 20 of those items must be in good condition. If the inexperienced quality inspector find out randomly whether or not an item is in good condition, find out the probability that the box will pass inspection?

3. Past data point out that the variance of measurements made on sheet metal stampings by experienced quality-control inspectors is 0.025 square inch. Such measurements made by the inexperienced inspector could have too large the variance (perhaps because of inability to read instruments properly) or too small the variance (perhaps because unusually high or low measurements are discarded). If the new inspector measures 101 stampings with variance of 0.13 square inch, test at the 0.05 level of significance whether inspector is making satisfactory measurements. Suppose normality.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922614

Have any Question? 


Related Questions in Statistics and Probability

An accounting professor is notorious for being stingy in

An accounting professor is notorious for being stingy in giving out good letter grades. In a large section of 140 students in the fall semester, she gave out only 5% As, 23% Bs, 42% Cs, and 30% Ds and Fs. Assuming that t ...

Why is a z score a standard score why can standard scores

Why is a z score a standard score? Why can standard scores be used to compare scores from different distributions?

1 why must researchers ensure that their experimental

1. Why must researchers ensure that their experimental groups are roughly equivalent before manipulating the independent variable? 2. Discuss the relative advantages and disadvantages between within-subjects designs and ...

1 what can researchers do to minimize error variance2

1. What can researchers do to minimize error variance? 2. Discuss the trade-off between internal and external validity. Which is more important? Explain.

Consider the game in strategic form shown in table 1a find

Consider the game in strategic form shown in Table 1. a. Find the correlated equilibrium that maximizes the expected sum of the two players' payoffs. b. Find the correlated equilibrium that minimizes the expected sum of ...

In a survey of 617males agesnbsp18-64 396 say they have

In a survey of 617males ages 18-64, 396 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the co ...

A machine used to fill gallon-sized paint cans is regulated

A machine used to fill gallon-sized paint cans is regulated so that the amount of paint dispensed has a mean of 138 ounces and a standard deviation of 0.40 ounce. You randomly select 45 cans and carefully measure the con ...

1 when tv advertisements report 2 out of 3 dentists

1. When TV advertisements report, "2 out of 3 dentists surveyed indicated they would recommend Brand X toothpaste to their patients," an informed consumer may question the conclusion because a. the sample was only 5 dent ...

1 what is the central difficulty involved in obtaining

1. What is the central difficulty involved in obtaining simple random samples from large populations? 2. How does cluster sampling solve the practical problems involved in simple random sampling?

The following data represents a random sample of number of

The following data represents a random sample of number of shares of a pharmaceutical company's stock traded for 20 days in 2000. 3.99 8.91 10.41 7.53 13.85 5.3 9.7 8.95 12.11 13.26 4.25 8.55 11.6 6.76 27.55 7.72 10.15 4 ...

  • 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