What sample size would be needed to estimate the true, Ask an Expert

Statistics

1. The owner of Limp Pines Resort wanted to know average age of its clients. A random sample of 25 tourists is taken. It shows the mean age of 46 yrs. with stand. dev. Of 5 yrs. The width of 98% Cl for the true mean cliet age is approximately..............yrs.

a.+or-2.06 b.+or-2.33 c.+or-2.49 d.+or-2.79

2. What sample size would be needed to estimate the true proportion of American female business executives who prefer the title "Ms.", with error of ±0.025 and 98 percent confidence?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M923163

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

In a sample of 41 temperature readings taken from the

In a sample of 41 temperature readings taken from the freezer of a restaurant, the mean is 29.7 degrees and the standard deviation is 2.7 degrees. What would be the 80% confidence interval for the temperatures in the fre ...

Homework -the linear probability model who smokes and who

HOMEWORK - The Linear Probability Model: Who smokes and who doesn't? The EXCEL file firm-smoke_homework9 contains data from a survey on smoking behavior among employees in a large firm. Use the data provided, read the ac ...

A what is the purpose of credit analysis discuss the

(a) What is the purpose of credit analysis? Discuss the importance of performing a credit analysis if you are suppliers of credit (i.e., commercial banks, non-bank private financing entities).

A doctor whats to exam prior medical records in an attempt

A doctor whats to exam prior medical records in an attempt to estimate the proportion of juvenile valley fever cases that escalated to spinal meningitis. He wants to estimate the proportion within 2% with 98% certainty. ...

There are 2 white balls and 8 red balls in an urn consider

There are 2 white balls and 8 red balls in an urn. Consider selecting one ball at a time from the urn. What is the probability that the first ball is red and the second ball is also red? Express the probability in fracti ...

Five percent of the eyeglasses sold at an optical retailer

Five percent of the eyeglasses sold at an optical retailer have tinted lenses. Forty pairs of glasses are sold on a particular day and six have tinted lenses. Identify n, p, and x.

Jen amp barrys fast fresh salad bags starts with 280000

"Jen & Barry's Fast Fresh Salad Bags" starts with $280,000 invested. Jen and Barry pay 20% down and finance the balance with a 20-year small business loan at 4.5% compounded monthly. What is the amount of their monthly l ...

A sample of 184 randomly selected students found that the

A sample of 184 randomly selected students, found that the proportion of students planning to travel home for Thanksgiving is 0.69. What is the standard deviation of the sampling deviation?

Suppose that 20 of men p20 and 15 of women p 15 are

Suppose that 20% of men (P=.20) and 15% of women (P= .15) are carriers of a particular genetic trait. That trait can only be inherited by a child if both parents are carriers. What is the probability that a child is born ...

Let x be a random variable with range rx -1 0 1 and let px

Let X be a random variable with range RX = {-1, 0, 1} and let P(X = 1) = P(X = -1) = p/2 for some p ∈ [0, 1]. a) Compute P(X = 0). b) Compute the expectation E[X] and variance Var(X) of X as a function of p, and determin ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert