If 130 people are chosen at random what is the probability, Ask an Expert

Statistics

Assume that IQ scores are normally distributed, with a standard deviation of 10 points and a mean of 100 points. If 130 people are chosen at random, what is the probability that the sample mean of IQ scores will not differ from the population mean by more than 2 points?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M995943

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Perform a conversion to compare costs between the two

Perform a conversion to compare costs between the two programs below, to find out which is the more expensive program. Program A: estimated cost in constant FY13 dollars: $16M Program B: estimated cost in constant FY19 d ...

If the coefficient of determination is 0233 what percentage

If the coefficient of determination is 0.233, what percentage of the data about the regression line is explained? How do I go about solving this?

Te height of woman ages 20-29 is normally distributed

The height of woman ages 20-29 is normally distributed , with a mean of 64.3 inches. assuming the standard diviation = 2.4 inches. are you more likely to randomly select 1 woman with a height less than 66.2 inches or are ...

If two samples a and b had the same mean and sample size

If two samples A and B had the same mean and sample size, but sample A had a larger standard deviation, which sample would have the wider 95% confidence interval?

What p-value was found when determining whether there is a

What P-value was found when determining whether there is a difference in the IQ of girls and boys in problem 6? Should you reject the null hypothesis? 1. P-Value = 0.465. Yes, you should reject the null hypothesis which ...

Assume that you deposit 1293 each year for the next 15

Assume that you deposit $ 1,293 each year for the next 15 years into an account that pays 10 percent per annum. The first deposit will occur one year from today (that is, at t = 1) and the last deposit will occur 15 year ...

According to bottledwaterorg per capita consumption of

According to bottledwater.org, per capita consumption of bottled water in the U.S. in 2012 was reported to be 30.8 gallons. Assume that the amount of bottled water consumed per person is Normally distributed with mean 30 ...

Answer the following questions about an anova analysis

Answer the following questions about an ANOVA analysis involving three samples. a. In this ANOVA analysis, what are we trying to determine about the three populations they're taken from? b. State the null and alternate h ...

You decide to research further this seemingly contradictory

You decide to research further this seemingly contradictory guidance, hypothesizing that the true population average core body temperature amidst higher ambient temperature and humidity levels while using an electric f ...

A manufacturer of cereal has a machine that when working

A manufacturer of cereal has a machine that, when working properly, puts 20 ounces of cereal on average into a box with a standard deviation of 1 ounce. Every morning workers weigh 25 filled boxes. If the average weight ...

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