What is the probability of getting an a on the exam

Assignment Help Mathematics

Reference no: EM13119879

Statistics - Probability explained in this solution
Please show the steps so I understand the process.

A mail order company tracks the number of returns it receives each day. Information for the last 50 days shows
Number of returns Number of days
0 - 99 6
100 - 199 20
200 - 299 15
300 or more 9

a. How many sample points are there?
b. List and assign probabilities to sample points.
c. What procedure was used to assign these probabilities?

There are two more assignments in a class before its end, and if you get an A on at least one of them, you will get an A for the semester. Your subjective assessment of your performance is

Event Probability
A on paper and A on exam .25
A on paper only .10
A on exam only .30
A on neither .35

a. What is the probability of getting an A on the paper?
b. What is the probability of getting an A on the exam?
c. What is the probability of getting an A in the course?

Reference no: EM13119879

Questions Cloud

What volume will the gas occupy : A gas has a volume of 590 mL at a temperature of -55.0C. What volume will the gas occupy at 30.0C.

The telektronic company purchases large shipments : The Telektronic Company purchases large shipments of fluorescent bulbs and uses this acceptance sampling plan: Randomly select and test 24 bulbs, then accept the whole batch if there is only one or none that doesn't work

What is the theoretical yield of carbon dioxide : what is the theoretical yield of carbon dioxide when 56.0 g of methane is burned in a excess of oxygen, according to the equation CH4 2 )2 ->CO2 ,2H2o.

Equations with rational expressions in real world : We encounter rational expressions all the time in the real world, often without even realizing it. Now it's your turn to come up with a real-world example from your work or personal life of using an equation with a rational expression to solve a r..

What is the probability of getting an a on the exam : What is the probability of getting an A on the exam? What is the probability of getting an A in the course?

Illustrate what is the final velocity of the vehicles : The car collides and becomes stuck to a 5000kg truck travelling west at along South Street at the intersection of South Street and Murdoch Drive. Illustrate what is the final velocity of the vehicles after the collision if the truck was travelling..

What is the ph : What is the pH when 100 mL of 0.1 M NH3 is titrated with 50 mL of 0.2 M HCl? pKa of NH4Br is 9.25.

Find out the ratio of the mass of steam to the mass of ice : Ignoring the container and the equilibrium vapor pressure of the liquid at 51.5 °C, find out the ratio of the mass of steam to the mass of ice. The specific heat capacity of steam is 2020 J/(kg C°).

Calculate the equalibrium concentrations of h+ : A solution is made by mixing 500 mL of .121 M NaOH with 500 mL of .1 M CH3COOH. Calculate the equalibrium concentrations of H+. CH3COOH, CH3COO-, OH- and Na+

User Account

All Pages