Estimate the true proportion of preferring chocolate

Assignment Help Basic Statistics
Reference no: EM131849185

As part of a lesson on statistical inference an enterprising statistics teacher gave his class of 15 students an "Ice Cream Taste Test". The results showed that 9 students preferred the chocolate ice cream, while 6 students preferred the vanilla ice cream. Use Table 5 to determine the following confidence intervals.

a) Estimate the true proportion of those preferring chocolate ice cream using a 90% confidence interval.

b) Estimate the true proportion of those preferring chocolate ice cream using a 95% confidence interval.

Reference no: EM131849185

Questions Cloud

Standard approximate confidence interval : Let p be the true probability that this coin will come up "heads" when tossed.
Estimate the proportion of young adults : How large a sample should be used to estimate the true proportion to within 0.03 with a level of confidence (reliability) 99% if
What is the new value of the index : The value of the index today is 907. At this time, the third stock undergoes a 3 for 1 stock split. What is the new value of the index?
Interval for the true proportion of all junior : Find a 95% confidence interval for the true proportion of all junior high school girls who are planning a career in a technical field.
Estimate the true proportion of preferring chocolate : Estimate the true proportion of those preferring chocolate ice cream using a 90% confidence interval.
Determine the total wirelength for all nets : Determine the total wirelength for all nets. Describe your algorithm for computing total HPWL in words and include the total HPWL for the design.
Write a page summary as you reflect on dr reeves research : Refer to the Educational Leadership with Dr. Douglas Reeves link (video) in this week's Readings and Resources.
Write professional letter to your partner to manipulate data : Imagine you are working on a research paper with a partner. The two of you have been studying the effect of two types of therapy on combat-related PTSD symptoms
Considering new three-year expansion project : Down Under Boomerang, Inc., is considering a new three-year expansion project that requires an initial fixed asset investment of $2.58 million.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine earnings on wasteful and useless programs

A capital gains tax [reduction] benefits everyone, not just the "rich," because everyone will have more money to invest or spend in the private economy.

  The moment generating function for a random variable x is

the moment generating function for a random variable x is given by mxt 14 3411-t tgt1. determine formulas for the

  Probability that at least one is english standard engine

5 of which are built to metric standards and 7 of which are built to english standards. What is the probability that out of 3 taken, at least one is english standard engine?

  Calculate the settling time and steady state

(a) Determine the step response when Gc(s) = 1, and calculate the settling time and steady state for a ramp input r(t) = t, t > 0. (b) Design a lag network using the root locus method so that the velocity constant is increased to 10. Determine the..

  Hypothesis testing-consumption of saturated fats

Consumption of Saturated Fat: A nutritionist claims that the proportion of females who consume too much saturated fat is lower than the proportion of males who consume too much saturated fat.

  Determine the class width that should be used

Based on the answer to part a, determine the class width that should be used (round up to the nearest 100 points).

  Summarize the fluid losses of male crab spiders

Fluid loss in crab spiders. A group of University of Virginia biologists studied nectivory (nectar drinking) in crab spiders to determine.

  Compute the reliability index and the failure probability

Compute the reliability index and the failure probability assuming that the mean ratio of C/F is 1.0, 1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.4, 2.6, 2.8, and 3.0.

  You hear on the local news that for the city of kalamazoo

you hear on the local news that for the city of kalamazoo the proportion of people who support president obama is 0.53.

  What is the probability that person arrest for serious crime

CRIME RATES Data compiled by the Department of Justice on the number of people arrested in a certain year for serious crimes.

  Calculate the approximate margin of error for the survey

A telephone survey of 2000 Canadians conducted March 20-30, 2001, found that "Overall, about half of Canadians in the poll say the right number of immigrants.

  A distribution has a mean of 110 and a standard deviation

a distribution has a mean of 110 and a standard deviation of 20 if nothing is known about the shape of distribution

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