Question: 4.47 Two methods, A and B, are available for teaching a certain industrial skill. The failure rate is 20% for A and 10% for B.

4.47 Two methods, A and B, are available for teaching a certain industrial skill. The failure rate is 20%

for A and 10% for B. However, B is more expensive and hence is used only 30% of the time. (A is used the other 70%.) A worker is taught the skill by one of the methods but fails to learn it correctly. What is the probability that he was taught by method A?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Statistics For Engineers And Scientists Questions!

Two methods, A and B are available for teaching a certain industrial skill. The failure rate is 20% for A and 10% for B. However B is more expensive and hence is used only 30% of the time. A worker...

Two methods A and B are available for teaching a certain industrial skill. The success rate is 80% for A and 90 % for B. However, B is more expensive and hence, is used only 30% of the time (A is...

The next four questions refer to the following information: Two methods, A and B, are available for teaching a certain industrial skill. There is a 75% chance of successfully learning the skill if...

1. According to the information that comes with a certain prescription drug, when taking this drug, there is a 24% chance of experiencing nausea (N) and a 53% chance of experiencing decreased sexual...

The next four questions refer to the following information: Two methods, A and B, are available for teaching a certain industrial skill. There is an 80% chance of successfully learning the skill if...

5 . Two methods, A and B, are available for teaching a certain industrial skill. There is an 80% chance of successfully learning the skill if method A is used, and a 95% chance of success if method B...

The next four questions refer to the following information: Two methods, A and B, are available for teaching a certain industrial skill. There is a 95% chance of successfully learning the skill if...

The next four questions refer to the following information: Two methods, A and B , are available for teaching a certain industrial skill. There is an 8 0 % chance of successfully learning the skill...

Old Town Roasters (OTR) owns and operates a chain of 12 coffee shops around town. OTRs strategy is to provide the highest- quality coffee and baked goods in a warm, friendly environment. Each OTR...

Novak Corp. 's net income for the current year was $ 586000 . Depreciation was $ 76000 . Accounts receivable and inventories decreased by $ 24000 and $ 39000 , respectively. Prepaid expenses and...

Calculate each of the following, giving your answer in standard form, correct to 3 significant figures. (a) (1.35 x 10') (c) 1.21x10 (b) 6(3.4 x 10) (d) 9.261x10 2.3x102x4.7x10 8x10+2.510 (e) (f)...

How is operations planning similar to and different from more general types of planning activities as described earlier in the planning section?

The data set of paving slab weights given in DS 6.1.7. Use a statistical software package to obtain sample statistics and boxplots for the following data sets. What do the sample statistics and...

The data set of paint thicknesses given in DS 6.1.8. Use a statistical software package to obtain sample statistics and boxplots for the following data sets. What do the sample statistics and...

Three species of bird inhabit an island and they are classified as having either brown, grey, or black markings. DS 6.6.1 shows the types of birds observed by an ornithologist during a stay on the...

A company sells a plant asset that originally cost $375,000 for $125,000 on December 31, 2022. The accumulated depreciation account had a balance of $150,000 after the current year's depreciation of...

Jan. 1, 2023 July 1, 2023

The Boyie Company estimated that April sales would be 154.000 units with an average selling price of $6.40. Actual sales for April were 153,000 units, and average selling price was $6.50 The sales...