Estimate the average number of killings per week

Assignment Help Basic Statistics
Reference no: EM132844706

In recent study researchers measured the number of killings junior high students witness on TV in a week. They studied a sample of 150 students and found that the students viewed an average of 23 killings during the week of the study. The sample standard deviation was 8.78 killings per week. Create a 95% confidence interval to estimate the average number of killings per week that are seen by junior high students in the population.

Reference no: EM132844706

Questions Cloud

Find a sufficient statistic for q : a) Multinomial vector (x1, x2, x3, x4) with cell probabilities given by (1/2 + Q/4, 1/4(1-Q), 1/4(1-Q), Q/4) (Q = theta)
Determine probability of failure : The Pew Research Center reports that they are only able to contact 76% of randomly selected households drawn from telephone surveys. Supposed a pollster has a l
Find the mean and standard deviation : Find the mean and standard deviation for each uniform continuous model. (Round "Mean" answers to 1 decimal place and "Standard deviation" answers to 4 decimal p
Find out quantifying significance : Quantifying Significance. What does it mean to say that a particular result is statistically significant at the 0.05 level or at the 0.01 level? Is a result tha
Estimate the average number of killings per week : Create a 95% confidence interval to estimate the average number of killings per week that are seen by junior high students in the population.
Calculate the lower and upper fences : Given the following data set: 0.25, 0.29, 0.35, 0.40, 0.55, 0.59, 0.77, 0.79(a) Find the lower and upper quartiles.
Organization in building a competitive advantage : Tesla, Inc. has rapidly become a stand-out among American car companies. Illustration Capsule
Calculate the exact probability that the oil spill : An oil spill happened in the ocean. Gusty wind and rough sea moves the oil spill toward the shore. The distance covered in the x and y directions
Standard normal random variable : Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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