Find what proportion of the population would score higher

Assignment Help Basic Statistics
Reference no: EM13118091

Bob takes an online IQ test and finds that his IQ according to the test is 134. Assuming that the mean IQ is 100, the standard deviation is 15, and the distribution of IQ scores is normal, what proportion of the population would score higher than Bob? Lower than Bob?

Reference no: EM13118091

Questions Cloud

What do you suppose is the chemical basis of a permanent : At a beuty salon one might request a "permanent" to alter the shape of ones hair which is chiefly composed of fibrous proteins known as keratins. to increase the waves or curls in one's hair.
Find probability that more than one machine is in the system : What is the probability that more than one machine is in the system? What is the probability that more than two are broken and waiting to be repaired or being serviced, as well as three and four machines?
Determine the initial ph : Consider the titration of a 24.0 ml sample of 0.120 M HC2H3O2 with 0.105 M NaOH. Determine the initial pH.
How to find equation of the lines : Line passes through the point (5,1) and has a slope of 2 write an equation for this line. Find the equation for the line 1,-5 and -4,3
Find what proportion of the population would score higher : The distribution of IQ scores is normal, what proportion of the population would score higher than Bob? Lower than Bob?
Which of the following cannot undergo microevolution : Which of the following CANNOT undergo microevolution?
Calculate the equilibrium constant for the given reaction : "Given the following standard reduction potentials, E°redAl3+/Al = -1.66 V. E°redCr3+/Cr = -0.74 V.
Find discrete probabilities-expected value of a distribution : Discrete Probabilities - Expected Value of a Distribution. What is the expected value of a distribution and is it a reasonable number to use to describe a population with?
Determine which of the two mutual funds is better : Perform the necessary calculations to determine which of the two mutual funds is better. Which one should you choose to maximize the expected value?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval for the mean density of quartz

Calculate a 92% confidence interval for the mean density of quartz porphyry, given that 75 samples yield mean of 2.62 grams per cubic centimeter

  Process of statistical quality control

Analyze the process of statistical quality control and determine which part of the process would be most difficult and what steps could be taken to mitigate the anticipated difficulty.

  Intersection accidents-null-alternative hypotheses

The local municipality claims that since the percentage of intersections that had an accident last year decreased from the prior year, the city is now safer. What are the hypotheses for this situation? Is the city really safer?

  Application of binonomial distribution

As a quality engineer working on the Rangdo production line, you have determined that the probability of producing a defective part is 6%.

  Article summary on statistical analysis

Research the topic of Job Satisfaction and provide a 1 page write-up of the research highlighting where statistical analysis is being used and why it's used.

  Probability of financial analyst

A financial analyst estimates that the probability that the economy will experience a recession in the next 12 months is 20%. She also believes that if the economy enters a recession

  Mean fuel efficiency rating for midsize cars

Formulate the hypothesis that can be used to determine whether the sample data support the hypothesis that the mean fuel efficiency rating for midsize cars is greater than the mean fuel efficiency for large cars.

  Probability and probability table

Use this information to construct a probability table, and then calculate each of the following probabilities: P(foreign car)

  Standard deviation for this suv model

What is the city mileage standard deviation for this SUV model?

  Is population of scores normally distributed

Is sample of 25 papers large adequate to give a good estimate of mean score of all 42,000 students on this exam problem? Explain your answer.

  Break-even point using break-even analysis

If we know that 20 people will attend, what price should be charged per person to break even?

  What is the probability that at least three click on an ad

If 900 users visited the site, would the probability that more than 250 of them click on an ad be higher or lower than the answer found in part

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