Probability-boy scout troop weight

Assignment Help Basic Statistics
Reference no: EM13100267

The weights of the 100 boys in the Boy Scout Troop 829 are normally distributed with a mean of 170 pounds and a standard deviation of 5 pounds.

a. What is the probability that a boy picked at random weighs less than 165 pounds?

b. How many boys would you expect to weigh between 161 and 173 pounds?

c. Find the 96th percentile.

d. Find the cutoff values which represents the middle 80% of their weight.

Reference no: EM13100267

Questions Cloud

What is the central dogma : What is the central dogma? And what are it's three main molecular components?
Upper limit of normal on separate occasions : Frequently, tests that yield abnormal results are repeated for confirmation. What is the probability that for a normal person a test will be at least 1.5 times as high as the upper limit of normal on two separate occasions?
What is the probability that is also carries b : A double heterozygote has the coupling configuration of A B/ a b of two linked genes that have a frequency of recombination of 0.20. If a randomly chosen gamete carries A, what is the probability that is also carries B?
Confidence interval for the true proportion of voters : Find a 95% confidence interval for the true proportion of voters who approve of the way the government is being run.
Probability-boy scout troop weight : The weights of the 100 boys in the Boy Scout Troop 829 are normally distributed with a mean of 170 pounds and a standard deviation of 5 pounds.
Define managerial epidemiology : In your own words, define managerial epidemiology and address the significance of using epidemiology principles and tools while making administrative decisions.
Perform sobriety test and final blood alcohol content : Performance on roadside sobriety test, and final blood alcohol content? What was each man's perception or judgment of how drunk he was at end of the drinking competition?
Probability-independence and exclusive events : a bank has the following data on the gender and marital status of 200 customers: single 20 male 30 female, married male 100 female 50,
Critical value for the f-ratio : For an independent-measures ANOVA comparing three treatments with a sample of n = 5 in each treatment, what is the critical value for the F-ratio using a = .05?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability concept

What is the probability of finding 1 or more children with chronic bronchitis in a population where the incidence rate of chronic bronchitis is 10% (like the one above?)

  Anova table for partial regression model

Can you test the significance of the relationship between physical activity level and systolic blood pressure, adjusting for age, and weight, given the ANOVA table above?

  Determining values and probability

Use three decimal places in your answers for this problem. The following table was collected.

  Investigating regarding probability

Construct a probability for the number of students in the sample who watch soap operas.

  Point flat-of-curve medicine

Indicate at which point flat-of-curve medicine is experienced in the following example (imagine that antibiotics have been prescribed for a given population of 1,000 elderly persons).

  What is the probability of the bearings failing

Four wheel bearings have been replaced on a company car. The mechanic has selected 4 bearings from a large supply bin. The mechanic is unaware that 10 percent of the bearings fail within the first 100 miles.

  Chebychev inequality for average time

A researcher wants to estimate the average time (in minutes) spent in a car daily. This will be done by randomly surveying 300 individuals and calculating the sample mean.

  Airplane safety-probability analysis

Airplane Safety: Suppose that 62% of all adults think that airplanes would be safer places if pilots carried guns. An opinion poll plans to ask an SRS of 1009 adults about airplane safety.

  Estimating the true population mean

When determining the sample size necessary for estimating the true population mean, which factor is not considered when sampling with replacement

  Making an estimation of the standard deviation

Locate value of the population mean in your sketch and make an estimate of the standard deviation

  Standard error for the proportion

Let p represent the proportion of registered voters in the state that would vote for the Republican candidate. The standard error for the proportion of those who phoned in who answered "yes" is

  Interpreting regression output

A researcher used stepwise regression to create regression models to predict BirthRate (births per 1,000) using five predictors

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