Limit for the population proportion of mice

Assignment Help Basic Statistics
Reference no: EM13105255

In a sample of 55 mice, a biologist found that 42% were able to run a maze in 30 second or less. Find the 90% limit for the population proportion of mice who can run a maze in 30 second or less.

a) 36.8% < p < 47.5%

b) 33.5% < p < 50.5%

c) 31.0% < p < 53.0%

d) 25.5% < p < 58.5%

Reference no: EM13105255

Questions Cloud

Estimate the true proportion of home owners : How large a sampl.e is needed to estimate the true proportion of home owners who have vegetable gardens to within 4 percentage points with 95% confidence?
Business and economics-confidence intervals : A sample of 20 pages was taken without replacement from the 1,591-page phone directory Ameritech Pages Plus Yellow Pages. On each page
Find the acceleration of the aircraft : Find the acceleration of the aircraft and express it in multiples of g, free fall acceleration.
Find total electric potential at point having coordinates : Two point charges are on the y-axis. A 6.0 µC charge is located at y = 1.35 cm, and a -2.20 µC charge is located at y = -1.00 cm. (a) Find the total electric potential at the origin. (b) Find the total electric potential at the point having coordi..
Limit for the population proportion of mice : In a sample of 55 mice, a biologist found that 42% were able to run a maze in 30 second or less. Find the 90% limit for the population proportion of mice who can run a maze in 30 second or less.
Evaluate confidence interval : Compute the 99% confidence interval based on four data points that have a sample mean of 71.5 and a sample standard deviation of 16.6032
Explain how to benefit from trade : Shannon bakes cookies and Justin grows vegetables. In which of the given cases is it impossible for both Shannon and Justin to benefit from trade?
Determine boundary points of the feasible region : Maxwell Manufacturing makes two models of felt tip marking pens. Requirements for each lot of pens are given below.
Question based on joint probability distribution : If a random variable X is distributed chi square with n degrees of freedom then the expected value of X is n. Show that this is true.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Job and pay statistics-normal distribution

The Wall Street Journal reported some interesting statistics on the job market. One statistic is that 40% of all workers say they would change jobs for "slightly higher pay."

  Determmining long-term change

A sustained long-term change in the level of the variable that is being forecasted per unit of time is: (A trend, A time series, Seasonality or A change due to business cycles)

  Use the binomial distribution formula to calculate

Privacy Are your finances, buying habits, medical records, and phone calls really private? A real concern for many adults is that computers and Internet are reducing privacy. A survey conducted by Peter D.

  Mean body mass index for boys age

The mean body mass index (BMI) for boys age 12 is 23.6. an investigator wants to test if the BMI is higher in boys age 12 living in new york city.

  Decision analysis-maximax and maximin

The owner of the Burger Doodle Resturant is considering two ways to expand operation: open a drive-up window or serve breakfast. Th increase in profits reulting from theise proposed expansions depend on weather a competitor opens franchise down th..

  Anova and students t test for diet data

Student volunteers in a weight loss project were randomly assigned to one of three diets. After 2 months on the diets, subjects were weighed and weight loss was recorded for each person.

  Time plot of the values of variable

Consider the following time plot of the values of variable Y for each month of a 60-month period.  This plot displays

  Decision payoff table for sale

The manager of the greeting card section of Mazey's department store is considering her order for a particular line of Christmas Cards. Develop the payoff table for this decision situations.

  P-values versus critical values

We have discussed two different methods for making statistical inferences such as developing interval estimates and conducting hypothesis tests. These methods are the "Critical Value Method" and the "P-Value Method".

  Describe expected value of investment

Describe expected value (EV) of an investment if there is a 20% chance of realizing a return of $20,000 or a 55% chance of realizing a return of $25,000, or there could be a loss of $15,000?

  Committing a type one error

Find the probability of committing a type I error.

  Standard scores for both sections

In terms of the standard scores for both sections, the score of which section was better? What are the z-scores for both sections?

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