Questions LLC
Login
or
Sign Up
Ask a New Question
Probability Distribution
Page 6
Questions (542)
Problem 2.
THE PROBABILITY THAT A RANDOMLY CHOSEN SALES PROSPECT WILL MAKE A PURCHASE IS 0.20. IF A SALESMAN CALLS ON SIX
2 answers
asked by
siddhi
2,414 views
Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then
2 answers
asked by
Michelle
564 views
Determine the mean and standard deviation of the random variable for which the probability mass function is defined as follows:
P
1 answer
asked by
Michelle
349 views
If 0 < y < 1 and 0 < x < 1, find the probability that
y < x. Begin by sketching te graph, and then use the area method to find
1 answer
asked by
Rose
311 views
Maria is playing a game of chance at the Hibiscus festival, costing $1 for each game. In the game two fair dice are rolled and
2 answers
asked by
Fakaapo. Suetusi
720 views
An urn has fifteen red balls and nineteen white balls. Three balls are selected at random and the number of red balls are
4 answers
asked by
F0reveryoung
532 views
In a carnival game, the player selects two coins from a bag containing four silver dollars and twelve slugs.
(a) Write down the
1 answer
asked by
Amanda
1,310 views
An urn contains sixteen red balls and seventeen white balls. A sample of three balls is selected at random and the number of red
2 answers
asked by
Amanda
1,144 views
The distribution of cash withdrawals from the automatic teller machine at a
certain bank has a mean of $500 with a standard
1 answer
asked by
Nancy
405 views
Six marbles are chosen without replacement from a box containing 10 red, 8 blue, and 3 yellow marbles. Let X be the number of
1 answer
asked by
Anne
337 views
Nine apples, four of which are rotten, are in a refrigerator. Three apples are randomly selected without replacement. Let the
4 answers
asked by
Rose Bud
1,345 views
store manager is doing a study on how to staff his franchise. He knows that the average number of pizzas ordered is 12 per hour
2 answers
asked by
ty
903 views
**I don't want the answer, I want to know how to set the problem up and the formula that I need to use. I am online with a tutor
2 answers
asked by
Shannon
818 views
suppose you have 10 green marbles, 10 gold marbles, and ten black marbles. You also have 3 bags. Your plan is to ask a friend to
1 answer
asked by
Ann-Marie Guischer
476 views
a large no. of bonobos were found to be normally distributed with a mean of 46 and a variance equal to 9. if each of their
1 answer
asked by
Jenny
278 views
Suppose the time it takes for a purchasing agent to complete an online ordering process is normally distributed with a mean of 8
4 answers
asked by
Jerry
1,441 views
among coffee drinkers, men drink a mean of 3.2 cups per day with a standard deviation of 0.8 cups. Assume the number of coffee
3 answers
asked by
natasha
1,522 views
if income in the US was normally distributed, what z-score would represent the bottom 10%, the poorest 10%
3 answers
asked by
stacey
316 views
Let X be a random variable that records the outcome of a dice toss. The probability distribution for X is as follows:
Outcome: 1,
3 answers
asked anonymously
46 views
A bag of colored blocks contains the following assortment of colors:
red (18), blue (14), orange (20), purple (14), green (10),
1 answer
asked by
Jen
392 views
In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14
1 answer
asked by
Jennifer
1,007 views
A bag of colored blocks contains the following assortment of colors:
red (18), blue (14), orange (20), purple (14), green (10),
1 answer
asked by
Jennifer
408 views
The life (in hours) of a computer processing unit (CPU) is modeled as a weibull random variable with β=3 and α=901 hours. What
1 answer
asked by
eliseo
1,204 views
I. Use Chebyshev’s theorem to find what percent of the values will fall between 183 and 227 for a data set with a mean of 205
1 answer
asked by
Jennifer
445 views
An experiment was conducted where rats could choose to enter one of two corridors, A or B. A random sample of three rats is
1 answer
asked by
Ryan
608 views
How can the probability distribution of prices of new cars be described
1 answer
asked by
Simone
308 views
The authors generac generator produces voltage amounts with a mean of 125.6 volts and a standard deviation of 0.3 volt. using
2 answers
asked by
marie
613 views
Statistical Abstracts (117th edition) reports sale price of unleaded gasoline (in cents per gallon) at the refinery. The
1 answer
asked by
Amy
448 views
Let x be a random variable that represents the length of time it takes a student to complete a take-home exam in Dr. Larson's
4 answers
asked by
Hannah
1,870 views
Suppose that X is a random variable with mean and variance . Define a new variable Y such that . Which of the following is a
3 answers
asked anonymously
44 views
The variance of a random variable's probability distribution helps us to describe the distribution's:
a. shape b. center c.
3 answers
asked anonymously
35 views
A lottery contains 100 tickets. It costs exactly one dollar to play. (And you don’t get your dollar back if you win!) There
3 answers
asked anonymously
53 views
The weight of a product is normally distributed with a standard deviation of .8 ounces. What should the average weight be if the
2 answers
asked by
jenny
747 views
Let X be N(0,1) find the p.d.f of Y=|X|, a distribution that is often called the half normal.
1 answer
asked by
Alex
273 views
A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given
3 answers
asked by
Mich Mich
1,583 views
I am to find the mean, variance, and standard deviation for the probability distribution. I don't even know where to start. Here
2 answers
asked by
Heather
474 views
I am to find the mean, variance, and standard deviation for the probability distribution. I don't even know where to start. Here
4 answers
asked by
Heather
1,368 views
A computer supply house receives a large shipment of blank CDs each week. Past experience has shown that the number of flaws per
2 answers
asked by
Adam
571 views
Suppose a basketball player successfully makes 70% of the free throw shots they attempt. Let X
represent the number of successful
2 answers
asked by
Adam
841 views
According to the Census Bureau publication Current Population Reports, the probability distribution for household size (number
1 answer
asked by
Ryan
630 views
a normal distribution has a mean of 22 and a standard deviation of 3. Find the probablility that a randomly selected x-value is
3 answers
asked by
alysha
555 views
I. Use Chebyshev’s theorem to find what percent of the values will fall between 156 and 276 for a data set with a mean of 216
2 answers
asked by
Tameka
1,126 views
A worker for the American Red Cross wants to predict the average number of blood donations of college students. He takes a
1 answer
asked by
Chelsea
476 views
Consider a system of 3 molecules, A, B, and C. Suppose the 3 units of energy can be distributed over the three atoms where each
3 answers
asked by
Melissa
401 views
At an outpatient mental health clinic, appointment cancellations occur at a mean rate of 1.60 per day on a typical Wednesday.
2 answers
asked by
Helen
976 views
Suppose you are playing a game. The random variable, Y, represents your net profit in dollars. The probability distribution of Y
3 answers
asked anonymously
44 views
The height of 16-month-old seedlings are normally distributed with a mean of 31.5 cm and standard deviation of 10 cm. What is
2 answers
asked by
Madmazel
536 views
The average number of radioactive particles passing through a counter during 1 millisecond in a lab experiment is 4. What is the
3 answers
asked by
ashley
564 views
The probabilty Distribution of a random variable X is given by the function
f(x)= 1/84 (5/x) (4/3-x) for x= 0,1,2,3 Calculate the
1 answer
asked by
Karmen
468 views
Coin box Question: Assume that there are 25 pennies, 10 nickels, 10 dimes, and 5 quarters in a box. after shuffeling the box,
1 answer
asked by
BRITT
449 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (37)
Coin flipping
Combinatorics
Conditional probability
Daily Water Intake
Data Analysis
Data distribution
Descriptive Statistics
Discrete Probability
Energy
Exam scores
Expected Value
Grading
Hypothesis Testing
Independent Events
Mathematics
Mathematics/Statistics
Normal Distribution
Probability
Probability and Sampling
Probability and Statistics
Probability Calculation
Probability Theory
Random Variables
Rate of Arrival
Sample Mean
Sampling
Sampling and Estimation
Sampling and Hypothesis Testing
Sampling and Sampling Distributions
Sleep Statistics
Spinner outcomes
Statistical Analysis
Statistics
Statistics and Analysis
Statistics and Data Analysis
Statistics and Probability
Statistics or Probability