Standard deviation and expected value

Assignment Help Basic Statistics
Reference no: EM1320036

1) Calculate the MEAN and STANDARD DEVIATION for the distribution below:

X

0

1

2

3

4

P(X)

0.24

0.41

0.26

0.08

0.01

2) In a particular game a person wins $1 if they roll a 2 or a 6 on a regular cube die. The win zero (0) if they roll an off number - they win $10 if they roll a 4. What is the expected value of the roll?

Reference no: EM1320036

Questions Cloud

Calculate the breakeven point : Calculate the breakeven point.
Standard deviation and standard error for each group : Compute the mean, standard deviation, median, and standard error for each group.
What factor would its relativistic momentum increase : In a head-on collision, the car stops in 0.23 {rm s} from a speed of 17 {rm m}/{rm s}. The driver has a mass of 77 {rm kg}, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fract..
Critical success factors and swot : Contrast the critical success factors (CSFs) and SWOT (i.e., strengths, weaknesses, opportunities, and threats) approaches for assessing opportunities as part of a strategic IS planning process.
Standard deviation and expected value : Calculate the MEAN and STANDARD DEVIATION for the distribution below:
How far is crate from the aircraft when it hits the ground : Vector A has a magnitude of 9.10 units and makes an angle of 54.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods find the following.
Finding mean-standard deviation and confidence interval : What is the 90% confidence interval estimate of the difference between two population means.
Case study of mega cabinets : Mega Cabinets, Inc. (MCI) hired carpenters to make and install cabinets in their new sales territory. During orientation, MCI conducted an intensive training session that detailed MCI's procedures for measuring and hanging kitchen cabinets.
Find out the bullet''s kinetic energy : Change values of the initial position, initial velocity, and the acceleration of the car so that its center follows the same path as the dot. What is the equation that describes motion of the dot.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Black hole pizza parlor problem-mean-median-mode

Black Hole Pizza Parlor instructs its cooks to put a "handful" of cheese on each large pizza. A random sample of six such handfuls were weighed.

  Desire the right sample size for a simple random sample

If we want to estimate the populations mean travel-to-work time San Francisco residents with a margin of error of 1 minute, what sample size should be used? Assume 95 percent confidence.

  Estimating confidence interval using the given data

What is the 95% confidence interval estimate of the mean television viewing time per week during the 8:00 p.m. to 11:00 p.m. time period?

  Hypothesis testing on multiple populations

To test whether there is a significant mean difference among the three.

  Calculating standard error of the mean

The standard deviation of the population of adult female height scores is 3 inches. A random sample of 50 women yields a mean height of 64 inches. Calculate the standard error of the mean.

  Comprise the decision you made based on statistical data

Note down a research that requires a decision making with probabilities.

  Normal distribution yield a good approximation

Does the normal distribution yield a good approximation of the actual results?

  How closely is height of an individual related to weight

How closely is the height of an individual related to the weight? Partial regression output for a sample of 92 individuals is below.

  Calculating mean-median-sum of squared deviation

For the following scores, find the (A) mean, (B) median, (C) sum of squared deviations, (D) variance, and (E) standard deviation:

  To test the claim using chi-square test for goodness of fit

Conduct a statistical test to determine if the sample is representative of the population.

  The probability distribution associated with these data

In a survey conducted to see how long Americans keep their cars, 2000 automobile owners were asked how long they plan to keep their present cars. The results of the survey follow. Find out the probability distribution associated with these data.

  Determining if the accident proportions

We are interested in determining if the accident proportions differ between the two age groups:

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