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

  Findout the confidence interval of true mean

If the sample standard deviation of the sample was $630 also the sample size was 50. Findout the 90% confidence interval of true mean.

  Significant relationship between the two variables

Be certain to mention the direction of the relationship, the strength of the relationship, and whether our findings are statistically significant

  Compute a 95% confidence interval for the mean

Compute a 95% confidence interval for the mean using the formula and where is the mean of the ten random numbers.

  What is the description of the 90th percentile

For any distribution the score that separates the highest 10% from the rest of scores is called.

  Normal distribution-probability values

Calculate the population mean and population standard deviation.

  Inverse probability based on the uniform distribution

Assume that the smiling time of eight-week old babies, in seconds, follows a uniform distribution between 0 and 23 seconds, inclusive. This means that any smiling time from 0 to and including 23 seconds is equally likely.

  Poisson distribution-probability

Find the probability that in a given year,a) Exactly one major hurricane will strike the U.S. mainland

  Example on stratified random sample

Researchers are studying the absorption of two drugs into the bloodstream. Each drug is to be injected at three dosages. There are 24 people in the study, and they are randomly divided into six groups.

  Noise level independent of flight phase

There are three flight phases. At α = 0.05, is the cockpit noise level independent of flight phase?

  Posthoc tests lsd and bonferroni

Run an ANOVA using only groups 1 to 6 (You can hide group 7 from the analysis by  data   followed by  select cases   and then you filter out group 7 by  if GROUP~= ). Also run the posthoc tests LSD and Bonferroni.

  Determining mean number of passengers

The mean number of passengers per flight is 160 with a standard deviation of 20. The aircraft used for the route has 200 seats.

  Critical path-program review using normal distribution

Determine the probability that the project will be completed in 80 days or less.

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