Every student at party has same chance to be interviewed

Assignment Help Basic Statistics
Reference no: EM13141525

At a party there are 30 students over age 21 and 20 students under age 21. You choose at random 3 of those over 21 and separately choose at random 2 of those under 21 to interview about attitudes toward alcohol. You have given every student at the party the same chance to be interviewed: what is the chance? Why is your sample not an SRS?

Reference no: EM13141525

Questions Cloud

Explain short- term investments in the current asset section : Assume that the company classified the shares of treasury stock as short- term investments in the current asset section of its balance sheet. Is this appropriate? Explain.
How many different ways can they seat-permutations : Kate, Demi, Madona, Sharon, Britney and Nicole decided to lunch together in a restaurant. The waiter led them to a round table with six chairs.  How many different ways can they seat?
Amount of the sales support costs : What is the amount of the sales support costs that should be allocated to Customer A assuming Beta uses units purchased to compute activity-based costs?
Prepare journal entries required to record payment : Prepare the general journal entries required to record the acquisition and payment in each of the independent cases above. Round to the nearest dollar.
Every student at party has same chance to be interviewed : Interview about attitudes toward alcohol. You have given every student at the party the same chance to be interviewed: what is the chance? Why is your sample not an SRS?
Explain telephone channels and pcm analysis : Telephone channels and PCM analysis, The analog to digital converter (ADC) used in a telephone system outputs 8 bit words. The digital words are transmitted as a serial stream to form a PCM voice signal
Calculate the molar solubility of cadmium sulfide : Cadmium ion in solution is analyzed by precipitation as the sulfide, a yellow compound used as a pigment in everything from artists' oil paints to glass and rubber. Calculate the molar solubility of cadmium sulfide at 25?C ?
Describe the current models of ago-mirna mediated : There are two general mechanisms of miRNA/AGO complexes. If miRNAs are fully complementary with mRNAs, AGO can cleave these targets. If there are mismatches between the middle positions of miRNAs and their targets, then the miRNA/AGO complexes can..
Determine profit margin and investment turnover : Using DuPont formula for rate of return on investment, determine profit margin, investment turnover, and rate of return on investment for each division.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Use binomial probability formula to calculate probibilities

use Microsoft excel, as your graphing calculator, or the binomial probability formula to calculate the probibilities of the following events. Event A: The probability that you will have to oay out exactly $20.

  Approve of the current zoning law

It is claimed that 70% of the residents in a large town approve of the current zoning law. Four residents are to be randomly selected. Find the probability that:

  Confidence level to determine the population proportion

A high school counselor is interested in the percentage of students who will be going to college. She randomly picks 60 students and finds that 53 will be going to college. Use a 95% confidence level to find the population proportion.

  Computethe following linear programming problem

Linear programming problems. Computethe following linear programming problem. Among which of the following points (X,Y) is feasible.

  Empirical rule for normal distribution

Consider that measurement 2 (M2) in random sample of 1000 controls from the Disease Y study population follows the normal distribution.

  Confidence interval of the mean score

A study of 40 bowlers showed that there average score was 186 the standard deviation of the population is 6. Find the 95% confidence interval of the mean score for all bowlers.

  What is approximate probability that mean score is high

What is the approximate probability that the mean score X of these students is 23 or higher? D) Which of your two normal probability calculations in (a) and (c) is more accurate? Why?

  Mean number of letters

Find out the mean number of letters that will arrive in two days.

  Find probability that at least ten reach the summit

In a random sample of 16 mountain climbers who are going to attempt Mt. Mckinley, what is the probability that at least 10 reach the summit?

  Determining probability of intersection or union

At a certain pizza parlor, 45% of the customer's order a pizza containing onions, 38% of the customer's order a pizza containing sausage, and 79% order a pizza containing onions or sausage

  Consumers risk and producers risk

From the calculator manufacturer?s point of view, which type of error would be considered more serious and explain why? From the printed circuit supplier?s point of view, which type of error would be considered more serious and explain why?

  Determining three quartiles and box-and-whisker plot

4  7  7  5  2  9  7  6  8  5  8  4  1  5  2  8  7  6  6  9. (a) Determine three quartiles and (b) draw box-and-whisker plot of the data.

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