Probability that members of group average at least 35 minute

Assignment Help Basic Statistics
Reference no: EM131404396

According to the Pew Research Center for the People and the Press, persons in higher age groups tend to spend much more time reading the newspaper. For persons 65 or more years of age who read a newspaper, the average time has been reported as 33 minutes.

Assuming a population standard deviation of 10.0 minutes and a simple random sample of 30 newspaper readers in the 65-or-over age group, what is the probability that members of this group will average at least 35 minutes reading their next newspaper?

Reference no: EM131404396

Questions Cloud

What rotational speed is needed : If an acceleration of 100 g is necessary to produce a p art in true centrifugal casting and the part has an inner diameter of 200 m m ., a mean outer diameter of 350 m m ., a n d a length of 6 m m , what rotational speed is needed?
Describe the sampling distribution : For the simple random sample of 40 homeowners invited to attend her town meeting, describe the sampling distribution of p = the proportion of Republicans among those invited to the meeting.
Describe sampling distribution of the proportion of females : For simple random samples of size n, with n > 30, describe the sampling distribution of the proportion of females in the sample.
Which statement is correct concerning concept of materiality : Which one of the following statements is correct concerning the concept of materiality? Which of the following is not a primary purpose of audit documentation?
Probability that members of group average at least 35 minute : Assuming a population standard deviation of 10.0 minutes and a simple random sample of 30 newspaper readers in the 65-or-over age group, what is the probability that members of this group will average at least 35 minutes reading their next newspap..
Does this mean that pure metals cannot be slush cast : The " slushy" state of alloys refers to that state between the solidus and liquidus temperatures, as described in Section 10.2.2. Pure metals do not have such a slushy state. Does this mean that pure metals cannot be slush cast? Explain.
What assumptions necessary in order to solve problem : If the sample size had been 8 patients instead of 50, what further assumption(s) would have been necessary in order to solve this problem?
Probability that office will receive at least 160 fax : For an office in which 10 workers are employed, and considering these persons as a simple random sample of all U.S. office workers, what is the probability that the office will receive at least 160 fax messages next Wednesday?
What if the part were to be made by investment casting : If you were to incorporate lettering or numbers on a sand-cast part, would you make them protrude from the surface or recess them into the surface? W hat if the part were to be made by investment casting? Explain.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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