User Account

All Pages

A researcher is interested in studying peoples mean age in

Assignment Help Basic Statistics
Reference no: EM13584524

A researcher is interested in studying people's mean age in a certain region. If the population standard deviation is known to be 8 years and 1.5 year of error margin is allowed, find the minimum simple size the researcher needs to use, knowing that he is going to conduct his study using 95% confidence level.

Sample Size = 77

Sample Size = 25

Sample Size = 210

Sample Size = 110

Reference no: EM13584524

Questions Cloud

In this turn around time the mean turn around time was 32 : southside hospital in bay shore new york commonly conducts stress tests to study the heart muscle after a person has a
Katherine dann is planning to finance her college education : katherine dann is planning to finance her college education by selling programs at the football games for state
Boerkian co started in 20x1 with two assets cash of : boerkian co. started in 20x1 with two assets cash of sect26000 stickles and land that originally cost sect72000 when
Explain why the expected number of counts is not an : explain why the expected number of counts is not an integer.a explain why the expected number of counts is not an
A researcher is interested in studying peoples mean age in : a researcher is interested in studying peoples mean age in a certain region. if the population standard deviation is
State the null and alternative hypotheses explain the : the per-store daily customer count i.e. the mean number of customers in a store in one day for a nationwide
What is the effect on melting and boiling points as we : what is the effect on melting and boiling points as we increase the degree of
A package of twelve ping-pong balls contains two defectives : a package of twelve ping-pong balls contains two defectives. an inspection procedure to check on the quality of the
The mean amount spent by a family of four on food per month : the mean amount spent by a family of four on food per month is 700 with a standard deviation of 85. assuming that the

Reviews

Write a Review

Basic Statistics Questions & Answers

  The total evaporation amount of a growing season in

the total evaporation amount of a growing season in minneapolis is approximately normally distributed with a standard

  Find probability respondent said team in rose bowl

What is the probability that a respondent said neither the Big Ten nor the Pac-10 will have a team in the Rose Bowl?

  Numerical hypothesis statement

Is the annual average wage of unmarried people (18 - 30) the same as that of married people (31 - 43)?

  Determine mean and standard deviation of daily sales

Each contact will result in either no sale or a $50,000 sale, with the probabilities .9 and .1, respectively. Give the probability distribution for daily sales. Find the mean and standard deviation of the daily sales.

  Are the mean crash damages the same for three vehicle

In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Research question: Are the mean..

  What value does the average always standardize

Standardize the value according to the given average and SD - unstandardize the value according to the given average and SD

  Makaela took a spanish exam

Makaela took a spanish exam; her grade was 79. The distribution was normally shaped with xobt =70 and s = 12. Jaun took a history exam; his grade was 86

  Regression equation of y on x

A research analyst regresses the number of calls for service (Y) on the Fahrenheit temperature at 4:00 in the afternoon (X).  The regression equation finds:  Y  = 62 + 2.4 X  with an  r 2   of .67

  Is there a difference in mean number of times order take-out

At the .01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? What is the p-value?

  How many different permutations of the word scissors are

how many different permutations of the word scissors are there? how many permutations have all four ss together? how

  Solve the mean and standard deviation equations

Solve the mean and standard deviation equations

  What is the percent of scores be outstanding

A standard deviation of 68. a score is considered outstanding if it is at least 420. what is the % of the scores would be outstanding?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd