Receiving and sending e mail-selected at random

Assignment Help Basic Statistics
Reference no: EM1392867

According to TNS Intersearch, 69% of wireless web users use it primarily for receiving and sending e-mail. Suppose that three wireless web users are selected at random. What is the probability that all of them use it primarily for e-mail?

Reference no: EM1392867

Questions Cloud

What is the probability that a truck require to be checked : When trucks arrive at the Ambassador Bridge, each truck must be checked by customs agents. The times are exponentially distributed with a service rate of 10 per hour. What is the probability that a truck requires more than 15 minutes to be checked..
How much work per cycle is necessary to operate : In each cycle of its operation, a refrigerator removes 8 J of heat from the inside of the refrigerator and releases 22 J of heat into the room. How much work per cycle is necessary to operate this refrigerator.
Data flow diagrams for logical design of information system : Data flow diagrams (DFDs) are utilized for documenting logical design of information system by illustrating graphically different entry and exit touch points in a HMIS.
How long does it take to decrease the capacitor charge : Mary needs to row her boat across a 100-{rm m}-wide river that is flowing to the east at a speed of 1- {rm m/s}. Mary can row the boat with a speed of 2- {rm m/s} relative to the water.
Receiving and sending e mail-selected at random : According to TNS Intersearch, 69% of wireless web users use it primarily for receiving and sending e-mail. Suppose that three wireless web users are selected at random. What is the probability that all of them use it primarily for e-mail?
Draw water from a well : Imagine a frictionless pulley (a solid cylinder) of unknown mass M and radius r = 0.200 m which is used to draw water from a well. A bucket of mass m = 1.50 kg is attached to a massless cord wrapped around pulley. The bucket starts from rest at th..
What additional annual cost is the shop incurring : What additional annual cost is the shop incurring by staying with this order size? Other than cost savings, what benefit would using the optimal order quantity yield?
Dilutions of p nitrophenol : Assume you have made several dilutions of p nitrophenol and are reading the absorbance of each sample on a spectrophotometer.
Example of a design that has three confounds : What are confounds? Give an example of a design that has three confounds. Describe three ways to alter the design to address these confounds and explain the advantages and disadvantages of each.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval and population proportion

Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.

  Random samples taken from the same population

Do you think that all random samples taken from the same population will lead to the same result?

  Probability distribution rather than continuous probability

Determine the conditions under which you would use a discrete probability distribution rather than a continuous probability distribution. Provide one (1) example to illustrate your reasoning.

  Maximizing andre probability

To maximize Andre's probability of landing on the net, how far away from the cannon should he position the nearest edge of the net?

  Probability of selecting student from college

Finding the probability of each event in a group of events of different possibility

  Specific business application representation

Discuss how graphical representations can be used to display data in a meaningful way. Choose a specific business application and describe an example of a specific graph or chart that can be used to interpret data and why it is so useful.

  Increases expected number of credits by regression equation

Regression equation Credits=15.4-.07. Select the correct statement. Increase in number of hours worked per week increases the expected number of credits.

  Finding the percentile

Scores on a test are normally distributed with a mean of 60.9 and a standard deviation of 12. Find P81, which separates the bottom 81% from the top 19%.

  Estimate standard error of the mean

For a population with a mean of μ = 50 and a standard deviation of σ = 10, how much error, on average, would you expect between the sample mean (M) and population mean for:

  Computing stable or uniform attendance over three-day period

Which sessions, morning or afternoon, had more stable or uniform attendance over three-day period? Describe by using the suitable calculation for each data set and compare two calculations .

  Description of percentile of normal distribution

A vending machine dispenses coffee into a twelve ounce cup. The amount of coffee dispensed into the cup is normally distributed with a standard deviation of 0.08 ounce.

  Chebychev theorem and empirical rule

If we are dealing with non-normal data we use Chebychev's Theorem. While not as precise, it does provide some level of utility. If we use Chebychev

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