Mean and standard deviation of the number of marriages

Assignment Help Basic Statistics
Reference no: EM132849187

Forty-three percent of marriages end in divorce. You randomly select 150 married couples. Calculate the mean and standard deviation of the number of marriages that will end in divorce. (round to 2 decimal places)

Mean=

Standard Deviation=

Reference no: EM132849187

Questions Cloud

What is the approximate sampling distribution : 1. What is the approximate sampling distribution for the sample proportion p? What are the mean and standard deviation for this distribution?
Evaluate the unemployment rate drop : Evaluate the unemployment rate drop and discuss whether there is enough information to determine significance. Support your response with specific
4104COMP Data Modelling Assignment : 4104COMP Data Modelling Assignment Help and Solution, Liverpool John Moores University - Assessment Writing Service - Construct a spreadsheet-based application
What is the probability that the jury consists : What is the probability that the jury consists of 4 Men and 3 Women? Your final answer should be correct to 3 places after the decimal point.
Mean and standard deviation of the number of marriages : Calculate the mean and standard deviation of the number of marriages that will end in divorce. (round to 2 decimal places)
How many of the employees speak neither german nor dutch : If there are 10 who speak both German and Dutch, how many of the employees speak neither German nor Dutch? Illustrate your answer with a Venn diagram.
What are the values for the mean and standard deviation : A set of sociology exam scores are reported as X values and z-scores. On this exam a score of X = 75 corresponds to a z-score of z = +2.00
Confidence interval of the proportion of americans : In 2013, Gallup conducted a poll and found a 95% confidence interval of the proportion of Americans who think their health care. Give the statistical interpreta
Higher education change and social networks : Using the article, "Higher Education Change and Social Networks: A Review of Research by: Adrianna Kezar" how do I create a data analysis which also provides da

Reviews

Write a Review

Basic Statistics Questions & Answers

  Tell whether selections are dependent

For each of these situations, tell whether selections are dependent, independent, or approximately independent.

  Suppose we have a set of 100 x y points if we multiply all

suppose we have a set of 100 x y points. if we multiply all of the xs by 10 thena. the mean and standard deviation of

  Review case related to checkout counter of a supermarket

Customers arrive at the checkout counter of a supermarket at an average rate of 10 per hour, and these arrivals follow a Poisson distribution.

  List the main organs of the body

List the main organs of the body and then, using the correct terminology, describe the positioning of one body part in relation to another.

  Creating a histogram showing the distribution of symptom

Create a histogram showing the distribution of symptom scores in this sample. Is this a skewed distribution? If so, is it skewed to the left or to the right?

  Random variable representing a test score

Let x be a random variable that represents a test score. What is the lowest score that would still place a student in the top 40% of the scores?

  Probability of a randomly chosen student

High School GPA is normally distributed with a mean of 3.06 and a standard deviation of 0.40. The probability of a randomly chosen student having a HS GPA between 3.54 and 3.80 is

  Analyzing current government structures

Assess how these classifications can be useful today to someone analyzing current government structures.

  Information about posterior probability

Ace Machine Works estimates that the probability its lathe tool is properly adjusted is 0.8. When the lathe is properly adjusted, there is a 0.9 probability that the parts produced pass inspection.

  Calculate the appropriate after-tax discount rate

Calculate the appropriate after-tax discount rate: tax rate on comparable risk investment: 35%; investor's before-tax opportunity cost:

  Poisson distribution with parameter

Show that if X1 has a Poisson distribution with parameter A1, if X2 has a Poisson distribution with parameter ?2, and X1 and X2 are independent

  Is given better to use randomize or observational experiment

A study will be done to determine the relationship, if any, between where a college student lives (on-campus or off campus) and grade point average. Would it be better to use a randomized experiment or an observational study? Explain.

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