What is the probability that the sample mean

Assignment Help Basic Statistics
Reference no: EM131840927

In a given stock portfolio consisting of thousands of stocks, the average price of stocks is $80 and the standard deviation is $18. A random sample of 40 stocks are selected. What is the probability that the sample mean would be below $86? (Provide four decimal places).

Reference no: EM131840927

Questions Cloud

What is the value of the test statistic : What is the value of the test statistic (Zstat or z-sub-xbar)?
Provide one example of a cyber crime : An explanation of two ways that you are personally vulnerable to cyber crime.Provide one example of a cyber crime that is both serious and costly .
Write the appropriate null and alternative hypothesis : A consumer group claims that the average wait time at a facility exceeds 40 minutes. Write the appropriate null and alternative hypothesis.
Discuss a recent natural hazard : Discuss a recent natural hazard that you remember happening: hearing about in the news or being a part of it. Discuss what happened and what spheres.
What is the probability that the sample mean : A random sample of 40 stocks are selected. What is the probability that the sample mean would be below $86? (Provide four decimal places).
Calculate the present value of the increased income : Calculate the present value of increased income per participant with each of following discount rate: 0 percent, 1 percent, 3 percent, 5 percent and 10 percent.
What is the probability that the age is below 36 : The age of students in an institution is uniformly distributed between 20 and 40. What is the probability that the age is below 36?
Difference between ionic-covalent and metallic bonds : Describe the difference between ionic, covalent and metallic bonds. To show how each is different and important in everyday life in it's own way.
What was the critical value for both the one- and two-tailed : What was the test statistic? What was the critical value for both the one- and two-tailed test? What is the significance level of the comparison

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is probability of accepting a lot on the first sample

What is the probability of accepting a lot on the first sample? What is the probability of making a decision on the first sample?

  Twelve case of leukemia are reported in people living in a

many investigators have studied the relationship between asbestos exposure and death from chronic obstructive pulmonary

  List the four steps of hypothesis testing

1. List the four steps of hypothesis testing, and explain the procedure and logic of each. 2. Based on the information given for the following studies, decide whether to reject the null hypothesis. Assume that all populations are normally distribut..

  How many people earned bachelor degrees

What percentage of each level of degree is earned by women? Write a brief description of what the data show about the relationship between gender and degree.

  Returns and standard deviation

What is the explained return on an equally weighted portfolio of these three stocks? What is the variance of a portfolio invested 20 percent each in A and B and 40 percent in C?

  How random numbers can be generated

For the statistical package that you intend to use, write out how data can be entered, how random numbers can be generated.

  Providing excellent customer service is essential in any

providing excellent customer service is essential in any business. a bank samples 7 tellers and monitors the time to

  The gre combined scores for students applying to an

the gre combined scores for students applying to an engineering schools graduate program are normally distributed with

  How to use random numbers to pick the three jars for testing

Carefully explain your sampling strategy.- Show how to use random numbers to pick the three jars for testing.- Did you use a simple random sample? Explain.

  Confidence interval for population mean cash value of crop

A farm brings 15 tons of watermelon to market. Find a 90% confidence interval for the population mean cash value of this crop. What is the margin of error?

  Important decisions for hotel chains and lodging firms

Location is one of the most important decisions for hotel chains and lodging firms. A hotel chain that can select good sites more accurately and quickly than its competition has a distinct competitive advantage.

  Dizio tv company has recently invested in manufacturing

dizio tv company has recently invested in manufacturing processes to enhance the quality of their products. in testing

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