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.

	Democrat(D)	Republican(R)	Independent(I)	Totals
Protestant (P)	310	360	60	730
Catholic (Ca)	120	69	11	200
Jewish (J)	29	13	8	50
Other (O)	10	6	4	20
Totals	469	448	83	1000

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

Questions Cloud

Short description on credit risk analysis of the bond : Short Description on Credit risk analysis of the different bonds and explain why you would pay more or less for their bonds

What has presidents immediately under the principles : Illustrate what has presidents immediately under the principles of immediate wants of the nation also mandate from the people.

Selecting the network : She has bids from several companies in order to install (1) Wi-Fi, or (2) a switched Ethernet 100 Base T network. She wishes you to provide her some sense of relative performance of the alternatives so that it may be related to the costs of each o..

Profit maximizing quantity and input combination : You are told to produce a quantity that maximizes profit. How many units do you produce and what is your profit? How many machine and labour hours are used in production?

Probability that selected personn is jewish and democrat : Arbitrarily choose someone from sample. Determine the probability that they are Jewish and Democrat?

Pollution permit for each ton of pollution emitted : The government has decided to reduce the pollution also from now on will require a pollution permit for each ton of pollution emitted.

Committing a type one error : Find the probability of committing a type I error.

Inputs in shenzen compare to angola : The firm is considering a movement of the plant to Shenzen, China where labour is cheaper. The same mathematical relationship between inputs and outputs will hold.

Computation of value of the bond at various options : Computation of value of the bond at various options and Suppose your company is selling a bond that will pay you $1000 in one year from today

User Account

All Pages