Information about random variable

Assignment Help Basic Statistics
Reference no: EM13102137

Let X be a normal distributed random Variable with u=100 and o=10. the probability that X is between 70 and 100 is:

a. 8%

b. 84%

c. 95%

d. answer not listed

Reference no: EM13102137

Questions Cloud

How much heat in joules would be required to melt : Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 134 km long, 39.4 km wide, and 187 m thick.
Illustrate what is creative intelligence : Illustrate what is creative intelligence? Illustrate what are the differences among the four types of creative intelligence? Illustrate what is your creative potential profile? Explain.
Define how much energy is released : When it rains, water vapor in the air condenses into liquid water, and energy is released. (a) How much energy is released when 0.0285 m (1.12 inch) of rain falls over an area of 2.59×106 m2 (one square mile)? (b) If the average energy needed to h..
Percentage for all passenger cars : In a random sample of 150 sports cars, 60 failed emissions on the first pass. Is there sufficient evidence to indicate that the percentage of first failure for sports cars is higher than the percentage for all passenger cars?
Information about random variable : Let X be a normal distributed random Variable with u=100 and o=10. the probability that X is between 70 and 100 is:
Goodly to borrow to meet its obligations : Jane, a shareholder of Goodly Corporation, alleges that its directors decided to invest heavily in the firm's growth in negligent reliance on its officers' faulty financial reports. This caused Goodly to borrow to meet its obligations, resulting ..
Find the tension that develops : A steel rod (? = 7860 kg/m3) has a length of 2.19 m. It is bolted at both ends between immobile supports. Initially there is no tension in the rod, because the rod just fits between the supports. Find the tension that develops when the rod loses 3..
Emergence of african countries as independent nation-states : What accounts for rather late emergence of African countries as independent nation-states? Is there something strange about Africa which delayed its drive for independence?
Prepare a system flowchart : Prepare a system flowchart, following good flowcharting practices including annotations, documenting the GCO system  as described above.  Use VISIO or another flowcharting tool of your choice.

Reviews

Write a Review

Basic Statistics Questions & Answers

  To study and control the manufacturing process

Do any of the selected samples seem to be out of the control limits? Describe.

  Probability problem set-personal website hits and email use

Hits on a personal web site occur quite infrequently. They occur randomly and independently with an average of five per week.

  Confidence interval of the true mean

The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.

  Boundaries for critical region if alpha level is changed

If alpha level is changed from a = 0.05 to a = 0.01. What occurs to boundaries for critical region?

  Elucidate amount of sales would be required to be a gold

Illustrate what amount of sales would be required to be a super savings club member. Elucidate amount of sales would be required to be a gold club status.

  Finds the confidence interval

Find the relative risk for moderate beer drinkers as compared to nondrinkers, finds the 95% confidence interval

  Critical value used to test the claim

A survey covering 0 different suburbs in Dallas found the average price of gasoline to be $3.924 per gallon with a population standard deviation of $0.053. What critical value shoiuld be used to test the claim using a = 0.01?

  Fertilizer and yield-correlation and regression

The following data show levels of fertilizer use (lbs) and wheat yield (bushels) on repeated trials on a six acre plot.

  Costs of coca cola company

Compute the unit manufacturing cost of the product under the contribution approach. Compute the effect on net income of accepting a special order for 500 units at $10 per unit assuming excess capacity.

  Frequency distribution for the number of errors

You are given the following frequency distribution for the number of errors 55 students made in a test:

  Normal distribution to approximate desired probability

By using the normal distribution to approximate the desired probability.

  Determining confidence interval for population variance

Suppose normality, determine a 90% confidence interval for population variance.

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