Confidence interval for true proportion of students own car

Assignment Help Basic Statistics
Reference no: EM13148151

When 306 students are randomly selected and surveyed it is found that 115 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car.

Reference no: EM13148151

Questions Cloud

What is the pressure (in atm) exerted by a 2.00 mole sample : What is the pressure (in atm) exerted by a 2.00 mole sample of gas that occupies 2.50 L at 307.15K? The value of R = 0.0821 L atm mol - 1 K - 1 .
Estimate difference between mean prices of two brands : Use an appropriate 95 percent confidence interval to estimate the difference between the mean prices of the two brands of cd players. Do you think that the difference haspractical importance?
Rate of return to the investor : Calculate the proceeds (issue price) of Learned Inc.'s, bonds on January 1, 2010, assuming that the bonds were sold to provide a market rate of return to the investor.
Inventory and beginning balance : Ponderosa acquired 100% control of Sumac on January 1, 2009. The purchase differential included $30,000 attributable to undervaluation of Sumac's inventory. Both Ponderosa and Sumac account for inventory using LIFO. Sumac's December 31, 2009 inven..
Confidence interval for true proportion of students own car : When 306 students are randomly selected and surveyed it is found that 115 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car.
What mass of ccl2f2 must evaporate : What mass of CCl2F2 must evaporate in order to freeze 115 g of water initially at 21 C? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/g *K .)
What is the most likely fate of genes : What is the most likely fate of genes that have undergone a duplication? How can natural selection maintain 2 or more copies of duplicate genes in populations?
Application of equivalent units in processing : Discuss the advantage and disadvantage of the application of equivalent units in processing
The acme paper company : The Acme Paper Company lowers its price of envelopes (1,000 count) from $6 to $5.40. If its sales increase by 20 percent following the price decrease, what is the elasticity coefficient?

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Calculating probability of stock

Let X be the number of gallons of ice cream that is requested at a certain store on a hot summer day. Assume that f(x)= 12x(1000-x)^2/10^12, 0

  Draw the scatter plot for the variables

Correlation based on Scatter Plot - Draw the scatter plot for the variables.

  Perform a one-tailed hypothesis test

Conduct a one-tailed hypothesis test given the information below. A certain brand of fluorescent light tube was advertised as having an effective life span before burning out of 4000 hours.

  Independent random sample students t test

A random sample of 10 observations from one population revealed a sample mean of 23 and a sample deviation of 4. A random sample of 8 observations from another population revealed a sample mean of 26 and a sample standard deviation of 5.

  Local cbs affiliate claims-p value

Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 41% of the viewing audience in the area. In a survey of 100 viewers, 36% indicated that they watch the late evening news on this local CBS station. What is t..

  Difference between two population proportions

Two sample z-test for the difference between two population proportions

  Appropriate for the performance measures

What values would be appropriate for the performance measures listed in the preceding problem for the case in which two tellers are available?

  Detyermine the standard error of estimation

Assume that a random variable, x, is distributed according to a normal distribution with mean 46 and standard deviation 12. (a) What is the standard error of the estimate, x-bar, if a sample of size 25 is taken?

  Critical value and p value method

The owner of a restaurant has just changed the delivery process in order to reduce the mean time between the order and completion of delivery from the current 25 minutes.

  Output and profits of the low cost gold mine

What is the price of an extra dollar of c1 in terms of c2 and what is the equilibrium price? Output and profits of the low cost gold mine?

  Find probability that motorist must stop at both signals

The analogous probability for the second signal is 0.49, and the probability that he must stop at at least one of the two signals is 0.75. What is the probability that he must stop

  Graphs of exponential and logarithmic functions

Plot the graphs of the following and identify the graph that represents the cooresponding functions and justify your answer.

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