Find probability to replace or exchange defective item

Assignment Help Basic Statistics
Reference no: EM13131614

A manufacturer makes two models of an item : Model I, which accounts for 80% of unit sales, and model II, which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace or exchange 10% of its model I and 18% of its model II. If a model is selected at random, find the probability that it will be defective?

Reference no: EM13131614

Questions Cloud

Construct the coutrnot profit function : Construct the Coutrnot profit function. Differentiate this function and solve for the reaction functions of firm one and firm two.
Eliminating the audit trail : Is it probable that the use of information technology will eventually eliminate the audit trail, making it impossible to trace individual transactions from their origin to the summary total on the financial statements?
Salespeople are born, not made : Describe an activity which would help your students learn more about the country and increase their cultural awareness. Avoid lecturing or simply giving out information; ensure students are involved in the learning process.
How many grams of h2o are needed : Mg3N2(s) + 6H2O(l) → 3Mg(OH)2(s) + 2NH3(g) How many grams of H2O are needed to produce 150 g of Mg(OH)2?
Find probability to replace or exchange defective item : The manufacturer has to replace or exchange 10% of its model I and 18% of its model II. If a model is selected at random, find the probability that it will be defective?
Acquisition cost of the equipment : The depreciation applicable to this equipment was $70,000 for 2008, computed under the sum-of-the-years'-digits method. What was the acquisition cost of the equipment?
Explain acid and base organic chemistry : Methyl benzoate - Acid and Base Organic Chemistry, In preparation of methyl benzoate, what is the purpose of 1. washing the organic layer with sodium bicarbonate solution?
Calculate dg for the reaction : Calculate ΔG for the reaction if the partial pressures of the initial mixture are PPCl5 = 0.0029 atm, PPCl3 = 0.27 atm, and PCl2 = 0.40 atm PCl5(g)--> PCl3(g) + Cl2(g)
Balance sheet total for retained earnings : A for-profit nursing home has beginning-of-period retained earnings of $40,000. Net income for the period totals $75,000 and dividends declared during the period total $15,000. The balance sheet total for retained earnings will be what amount?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Comparing internal and external validity

Compare and contrast internal and external validity. Describe and give examples of research questions for which external validity is a primary concern.

  Find probability that the store sells at least a gallon

Gallons and standard deviation 12 gallons. On a randomly selected day, the probability that the store sells at least 154 gallons is?

  Example of a non-parametric test

In general, when the dependent variable is neither interval nor ratio in level of measurement -- i.e., is not numeric -- a nonparametric statistical test is required to test the null hypothesis.

  Standard deviation-expected rate of return

Kurt's Adventures, Inc. stock is quite cyclical. In a boom economy, the stock is expected to return 30% in comparison to 12% in a normal economy and a negative 20% in a recessionary period.

  Particular airline randomly contacted

According to a recent survey, the probability that a passengerfiles a complaint with the Department of Transportation about aparticular U.S. airline is .000014. Suppose 100,000 passengers whoflew with this particular airline are randomly contacted..

  Relationship between gender and college major

Calculate and interpret the appropriate statistical test to determine the relationship between the following two variables. Use the five-step model of hypothesis testing to draw conclusions at the .05 level of significance

  Determine test value for data type number sold

the flavor of gum that is purchased. Determine the test value for the data given type number sold spearmint 25 wintergreen 32 cherry 18 cinnamon 43.

  Working with data-two-sample tests of hypothesis

The following data resulted from a taste test of two different chocolate bars. The first number is a rating of the taste, which could range from 0 to 5, with a 5 indicating the person liked the taste.

  Consists of personal interviews with participants

For a study that consists of personal interviews with participants (rather than mail or phone surveys), explain why simple random sampling might be less practical than some other sampling methods.

  Determine z test using megastat

Suppose the federal government proposes to give a substantial tax break to automakers producing midsize cars that get a mean mileage exceeding 31 mpg.

  Determining two sided interval

Assume a very large normally distributed population of scores on a test with mean 77 and standard deviation 7.

  Will the required sample size be larger or smaller

suppose that in the setting of the previous exercise you are willing to settle for a margin of error of $1000. will the required sample size be larger or smaller?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd