Find probability that blood level impair development

Assignment Help Basic Statistics
Reference no: EM13119015

In a report given by a popular magazine it was stated that 60% of young children have blood leadlevels that could impair their neurological development. Assuming that aclass in a school is a random sample from the population of all children atrisk, the probability that at least 5 children out of 10 in a sample taken from a school may have a blood level that may impair development is?

Reference no: EM13119015

Questions Cloud

Which metal will reach eighty degree celsius first : Five metal rods (Copper, Iron, Nickel, Tin and Zinc), at room temperature, of equal mass are place in a 100 oC water bath. Which metal will reach 80 oC first.
Explain how much will it drop by time it reaches catcher : A pitcher throws a baseball at 41.0 m/s. If the ball thrown horizontally at this speed, explain how much will it drop by the time it reaches the catcher who is 17.0 m away from the point of release?
What is being transported into cell by this process : Which transport mechanism can be visualized as a relay race? What is being transported like a baton in a relay race? What is being transported into cell by this process? Explain the steps of this transport process from start to finish nothing what..
Find digit probability : Digit probability A young girl gave a young man her phone number during a hurried parting. The young man remembers the 7 digits of her phone number
Find probability that blood level impair development : The probability that at least 5 children out of 10 in a sample taken from a school may have a blood level that may impair development is?
Illustrate what horizontal distance does the package travel : he plane is traveling horizontally at 150.0 m/s at a height of 70.0 m above the ground. Illustrate what horizontal distance does the package travel before striking the ground?
Which bones articulate with the femur : Which bones articulate with the femur?
What diameter has the tip of the second hand : What diameter has the tip of the second hand with 100mil/hr tangential speed? What diameter has the tip of the minute hand with 100mil/hr tangential?
Scenarios and their probabilities are ten dollar : The different scenarios and their probabilities are An urn has 2 one dollar bills, one 5$ bill and one 10$ bill. A player draws one bill at a time with out replacing them until a ten dollar bill is drawn, then the game stops.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Null hypothesis-one tailed test

A rental agent claims that the mean monthly rent, mu, for apartments on the east side of town is less than $725. A random sample of 13 monthly rents for apartments on the east side has a mean of $724, with a standard deviation of $15.

  Statistical study of drug with p-value

A statistical study reported that a drug was effective with a p-value of .042. (a) Is this true? An effective sample may be found about 42 times in 1000 samples.

  Sample data comes from a population

To be from the same population? You may assume the that follows a normal distribution. values are: 2.13 1.31 1.91 1.92 1.77 1.64 2.29 1.99 2.33 2.49 2.22

  Confidence interval of the true mean of heartbeats

For a group of 10 men subjected to a stress situation, the mean number of heartbeats per minute was 126, and the standard deviation was 4. Find the 95% confidence interval of the true mean.

  Hypothesis test for single factor of anova

(a) Use the steps of hypothesis testing, (b) figure the effect size for the study; and (c) explain your answers to (a) and (b) to someone who has never had a course in statistics.

  Pie charts and bar graphs in excel

Thirty-five fourth-grade students were asked the traditional question "what do you want to be when you grow up? The responses are summarized in the following table:

  Information about general statistics question

Based off the three requirements that must be met before an analysis of variance test (ANOVA) can be used: Samples must be randomly selected from the populations to be evaluated.

  Confidence interval-proportion of defective vending machine

Of 346 vending machines tested, 12 are found to be defective. Construct the 98 % confidence interval for the proportion of all defective vending machines.

  Suspecting automobile insurance premiums

We suspect that automobile insurance premiums (in dollars) may be steadily decreasing with the driver's driving experience (in years), so we choose a random sample of drivers who have similar automobile insurance coverage and collect data about th..

  Determine frequency distribution and midpoint

Use the following frequency distribution to determine the midpoint of the second class.

  Probability of brain cancer

Brain cancer is a rare disease. In any year there are about 3.1 cases per 100000 od population. Suppose a small medical insurance company has 150000 people on its books.

  Determine the value of defective item

A lot of n items comprises k defectives, and m are chosen randomly and inspected. How must the value of m be selected so that probability that at least one defective item turns up is .90?

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