Estimate the requested probabilities

Assignment Help Basic Statistics
Reference no: EM132580924

In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities.

More than a decade ago, high levels of lead in the blood put 84% of children at risk. A concerted effort was made to remove lead from the environment. Now, suppose only 14% of children in the United States are at risk of high blood-lead levels.

(a) In a random sample of 216 children taken more than a decade ago, what is the probability that 50 or more had high blood-lead levels? (Round your answer to three decimal places.)

(b) In a random sample of 216 children taken now, what is the probability that 50 or more have high blood-lead levels? (Round your answer to three decimal places.)

Reference no: EM132580924

Questions Cloud

Types of behavioral leadership approaches : Describe at least three different types of behavioral leadership approaches.Analyze their potential advantages over the behavioral leadership approaches.
What is benefits provided by capital investment projects : Which is not one of the more common strategic benefits provided by capital investment projects? Being able to deliver a product that competitors cannot
What is meant by the expression the time value of money : What is meant by the expression 'the time value of money' and why is it important to take into account when evaluating alternative long-term investments?
Prepare the income statement and schedule of cost of goods : Prepare the income statement and schedule of cost of goods sold first followed by the schedule of cost of goods manufactured.
Estimate the requested probabilities : Then use the normal distribution to estimate the requested probabilities.
What shape would you expect histogram : In a large statistics class, the professor has each person toss a fair coin 15 times and calculate the proportion of their tosses
Application of exponential smoothing : In your environment (business or personal), please give an application of exponential smoothing and WHY you would use only this technique.
Describe the importance of a project charter : You have been hired to oversee the decentralization of your client's human resources function in which corporate functions will be relocated to each regional.
Describe the generic business- level strategy : What do you think is the best business strategy for you to pursue in this situation? Is it possible for this company to follow a cost leadership

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the stem for the given number

If the leaf is the hundredths digit, what is the stem for the number 34.679?

  Find the probability that both events happen

Suppose two events are independent. One event has probability 0.27, while the other has probability 0.64.

  Understanding of independent t-test

This assignment involves displaying an understanding of an independent t-test. Based on my hypothetical research question: What do early childhood educators report about their experiences with fathers' involvement in their programs?

  A small medical facility-an office for one or two doctors

A medium-sized facility-a clinic where several doctors work in partnership.A small medical facility-an office for one or two doctors.

  Probability to select such two cards under option #1

Does your choice from a) agree with the results from b) and c)? Explain.

  What is the difference between a parameter and a statistic

What is the difference between a parameter and a statistic? Describe an example. Finally, there are "adjustments" that statisticians make to statistics

  Determine the strength and direction of relationship

A typical problem statement is correlation research is _____________

  An industrial hygienist want to be able to estimate the

an industrial hygienist want to be able to estimate the level of carbon monoxide in a plant at the a 0.01 level.

  In terms of hypotheses one of the major differences between

in terms of hypotheses one of the major differences between the t-test and anova is thata. ha is never defined with

  What is the efficient solution

Assume that demand for services per period is Pt = 1000 - Qt where Qt is the stock of the durable consumed. Let the discount factor for both consumers and the firm be one.

  Find the largest number of room reservations

Find the largest number of room reservations that this hotel can book- find the probability that at least 90% of the available rooms will be occupied on a given night.

  Considering the purchase of a new machine to bottle

The supervisor of an orange juice bottling company is considering the purchase of a new machine to bottle 16 fluid ounces (473 mL) bottles of 100% pure orange juice and wants an estimate of the difference in the mean filling weights between the ne..

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