Normal distribution of high school with mean

Assignment Help Basic Statistics
Reference no: EM13102937

High School GPA is normally distributed with a mean of 3.06 and a standard deviation of 0.40. The probability of a randomly chosen student having a HS GPA between 3.54 and 3.80 is

a) 0.4678

b) 0.0829

c) 0.8527

d) 0.3849

Reference no: EM13102937

Questions Cloud

Confidence interval for the student population proportion : Of the 250 students in a blind taste test, 150 (60%) preferred Milwaukee's Best over Natural Light. Then the 90% confidence interval for the student population proportion preferring Milwaukee's Best is:
Probability of defective circuit card in sample : Printed circuit cards are placed in a functional test after being populated with semiconductor chips. A lot contains 140 cards, and 20 are selected without replacement for functional testing.
How obstacles to equal educational opportunities are explain : How did students come to receive opportunities. How can obstacles to equal educational opportunities be addressed? Explain your rationale.
Probability of weight distribution of gerbil : The state's smallest animal is a red-tailed gerbil, with a mean weight of 2.5 grams and a standard deviation of 0.25 grams. Assuming that the weights are normally distributed
Normal distribution of high school with mean : High School GPA is normally distributed with a mean of 3.06 and a standard deviation of 0.40. The probability of a randomly chosen student having a HS GPA between 3.54 and 3.80 is
Determine gas company practices to blame for calamity : Determine that gas companys' practices may be to blame for calamity. You decide, at that point, to spread word around community about findings so that everyone can unite in fight for justice.
Policy of booking : Air-America has a policy of booking as many as 14 people on an airplane that can seat only 12. (Past studies have revealed that only 92% of the booked passengers actually arrive for the flight.)
Question on probability for normal distribution : Find the probability that a standard normal random variable will assume a value between: Find a z such that 70% of the area is above that value.
How event affect course of study choice of career path : Explain how your own life would be different if one specific event of 1960s had never occurred. How did that same event affect your course of study choice of carerr path?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Distribution of the average or median of the sample

What can we say about the form or way of the distribution of the average or median of the sample?

  Identify appropriate method of data collection

A survey of the residents of a new subdivision on why they happened to select that area in which to live. You also wish to secure some information about what they like and do not like about life in the subdivision.

  Simple linear regression model using excel

Make a forecast for 2004, using either the fitted trend model or a judgment forecast. Why is it best to ignore earlier years in this data set?

  Global test of hypothesis to find regression coefficients

Carry out the global test of hypothesis to find out whether any of the regression coefficients are not equal to 0. Use.05 level of significance.

  Critique the hr manager planned approach

Critique the HR manager's planned approach and give him advice on how to proceed. You can assume that a reasonable estimate for the proportion of new hires that are happy with the company is .8.

  Regression equation and percentage of variance

Find the regression equation and percentage of variance and test whether the equation is significant portion of the variance.

  Trucks significantly having lower accident rate

Test the proportions of yellow fire trucks have a significantly lower accident rate.

  Anova for mean weight

The weights (in grams) of four different colors of M&M candies are given below, along with the mean weight and variance of each color, and the variance of the sample means.

  Test at a particular point of interest

What happens to the confidence interval and the power of the test at a particular point of interest. As one increases the sample size of a test, all else remaining the same.

  Magnitude of standard error related to value of correlation

In general how is the magnitude of the standard error of estimate related to the value of correlation?

  Unbiased estimator of theta

Show that theta~ = u(X) is an unbiased estimator of theta, where u(0) = 1 and u(x) = 0 if x =1,2, ... Compare the MSEs of theta(hat) and theta~ for estimating theta = e^(-m) when m=1 and m=2

  Sample size for estimating population mean

It is believed that the range of hourly wages paid to auto mechanics in a large city is $9 (range approx. = 4sigma-squared). If we assume that hourly wages are approximately normally distributed,

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