A pharmaceutical company knows that approximately 8% of its birth-control pills have an ingredient that isbelow the minimum strength, thus rendering the pill ineffective. What is the probability that fewer than 7.7 ina sample of 198 pills will be ineffective?

Answered: Image /qna-images/answer/14b38f48-e45d-4b1e-ae6b-aac3c6c6e734.jpg

Answered: A pharmaceutical company knows that…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

A mechanical press is used to mold shapes for plastic toys. When the machine is adjusted and working well, it still produces about 6% defective toys. The toys are manufactured in lots of 100. What is the probability that the percent of defective toys is 11% or more?
The auto parts department of an automotive dealership sends out a mean of 4.4 special orders daily. What is the probability that, for any day, the number of special orders sent out will be no more than 5? Round your answer to four decimal places.
Based on historical data, your manager believes that 26% of the company's orders come from first-time customers. A random sample of 146 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is between 0.28 and 0.46?
Based on historical data, your manager believes that 34% of the company's orders come from first-time customers. A random sample of 175 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.33?
Suppose a large consignment of compact discs contained 7% defectives. If a sample of size 322 is selected, what is the probability that the sample proportion will differ from the population proportion by less than 3%? Round your answer to four decimal places.
Based on historical data, your manager believes that 31% of the company's orders come from first-time customers. A random sample of 119 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is between 0.24 and 0.37?
According to Harper's Index, 60% of all federal inmates are serving time for drug dealing. A random sample of 15 federal inmates is selected. (c) What is the expected number of inmates serving time for drug dealing?
A project has a 60% of super success earning $50,000, a 15% chance of mediocre success earning $20,000, and a 25% probability of failure losing $30,000. What is the EMV of the project?
Based on historical data, your manager believes that 25% of the company's orders come from first-time customers. A random sample of 79 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.31?
In a recent year, the Better Business Bureau settled 75% of complaints they received. You have been hired by the Bureau to investigate complaints this year involving computer stores. You plan to select a random sample of complaints to estimate the proportion of complaints the Bureau is able to settle. Suppose your sample size is 299. What is the probability that the sample proportion will be at least 5 percent more than the population proportion?
According to Harper's Index, 45% of all federal inmates are serving time for drug dealing. A random sample of 15 federal inmates is selected.(b) What is the probability that 2 or fewer are serving time for drug dealing? (Round your answer to three decimal places.)
According to Harper's Index, 60% of all federal inmates are serving time for drug dealing. A random sample of 15 federal inmates is selected. (b) What is the probability that 4 or fewer are serving time for drug dealing? (Round your answer to three decimal places.)

SEE MORE QUESTIONS

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

A pharmaceutical company knows that approximately 8% of its birth-control pills have an ingredient that is below the minimum strength, thus rendering the pill ineffective. What is the probability that fewer than 7.7 in a sample of 198 pills will be ineffective?