Probability that selected personn is jewish and democrat

Assignment Help Basic Statistics
Reference no: EM1315462

Q1) A study of American Airlines flights illustrated that of the 150 flights sampled, 108 were on time, 30 were late, and rest were early.

a)  If we were to arbitrarily choose the American Airlines flight, determine the probability that it  would be  on time?

b)  Arbitrarily choose American Airlines flight.  Find out the probability that it is either on time or early?

c) Arbitrarily choose 2 independent American Airlines flights.  Determine the probability that both of the flights selected will be on time?

Q2) A random sample of 1000 people was taken.  Each applicant was cross-classified by their religious affiliation and their political affiliation.  Study attempted to find out if members of different religions tended to vote differently from each other. 






Protestant (P)





Catholic (Ca)





Jewish (J)





Other (O)










a) Arbitrarily choose someone from sample. Determine the probability that they are Jewish and Democrat?

b) Arbitrarily choose someone from study.  Given that they are Republican, find out the probability that they are Catholic?

c)  Determine the probability that someone from this study is either Democrat or Protestant?

d) Choose 2 people without replacement. Determine the probability that first is a Catholic And the second is Jewish

Reference no: EM1315462


Write a Review


Basic Statistics Questions & Answers

  Computing mean crash damages for vehicles

Five test vehicles of each kind were crashed, with results given below. Research question: Are mean crash damages the same for these 3 vehicles?

  Hypothesis test for analysis of variance

The critical F value with 6 numerator and 60 denominator degrees of freedom at α = .05 is:

  Determining the probability of sample mean

Determine the probability that sample mean is between 7.5 and 8 minutes?

  Frequency polygon concept

A frequency polygon: does not depend on one variable. True-False

  Determining likelihood of accepting a defective lot

Determine the likelihood of accepting a lot which is 1% defective?

  Probability based on coin tossing experiment

A coin is flipped e times and heads (h) or tails (t) are recorded:

  Questions related to the study demonstrated the statistics

Determine whether the method of delivering teaching influences adherence with antiretroviral therapy.

  One way anova-post hoc test

Using an alpha level of 0.05, please use SPSS to perform a one-way ANOVA and then determine whether the data below provide evidence for Theory A, Theory B, or Theory C. In other words, is one theory stronger than the others?

  Chi-square goodness of fit test

The chi-square goodness of fit test can be used when we:

  Determine - test the hypotheses

A bank wants to get new customers for their credit card. They try two different approaches in their marketing campaign. The first promises a "cash back" reward; the second promises low interest rates. A sample of 500 people are mailed the first br..

  Average number of putts per round

Based on these results, the proportion of the variation in 1993 winnings that is explained by the average number of putts per round and driving distance

  Determining optimal solution

If a technical breakthrough occurred that raised the profit per unit of X 1  to $3, would this affect the optimal solution?

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