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Probability Calculations
Page 2
Questions (118)
A trucking firm delivers appliances for a large retail operation. The packages (or crates) have a mean weight of 306 lb. and a
1 answer
asked by
hanjay
433 views
3. On a given evening, two roommates, roommate A and roommate B, are arguing over who should control the television remote.
1 answer
asked by
y912f
1,259 views
2. Two roommates, roommate X and roommate Y, are expecting company and are arguing over who should have to wash the dishes
6 answers
asked by
y912f
2,808 views
Consider the approximately normal population of heights of male college students with mean ì = 69 inches and standard deviation
2 answers
asked by
Tom7
607 views
An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will
2 answers
asked by
Stacy
849 views
A random sample of size n = 53 is taken from a finite population of size N = 617 with mean μ = 248 and variance σ2 = 334. [You
3 answers
asked anonymously
55 views
Mr and Mrs Chen have three children. suppose the chance of having wither a boy or girl is 50%. what is the probability of having
5 answers
asked by
fanggirl.rockrchik
784 views
Basing the Results on Probability
A. Calculation B. Abstraction C. Classification D. Relation I am saying calculations
4 answers
asked by
Emi
1,040 views
If one event, say Black, has P(.70) and another event, say Red, has P(.30). What is the probability in ten events of alternating
1 answer
asked by
Joe D.
333 views
An airline estimates that 91% of people booked on their flights actually show up. If the airline books 80 people on a flight for
1 answer
asked by
Kim Reed
861 views
MEAN ƒÊ=10 & STANDARD DEVIATION ƒÐ=2. FIND THE PROBABILITIES:
9.4 �Ú X �Ú 10.6 i have 2 different answers but am checking
1 answer
asked by
Jeannie
456 views
The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed
2 answers
asked by
Ryan
593 views
1. A large video rental chain recently decided to change its rental policy, allowing an unlimited return date instead of
1 answer
asked by
lisa
395 views
You type four letters to four different people and address the envelopes. If you then insert the letters into the envelopes
1 answer
asked by
M.A.
1,119 views
Each round of the game costs $1 to play. A round consists of you choosing a number from 1 to 10 and then picking a card at
3 answers
asked by
Sasha
405 views
A school's administrators are concerned about absenteeism at their school
and the e ect it has on students' grades. The following
2 answers
asked by
lisa
639 views
Based on meteorological records, the probability it will snow in a certain town on January 1st is 0.480. Find the probability
1 answer
asked by
Christy
703 views
If P(A)= 1/2, P(B)= 1/6 and P(A and B)= 1/2, what can you say about P(A and B)?
I don't understand?
7 answers
asked by
Rmz
303 views
The unemployment rate is 5.8% (Bureau of Labor Statistics, April 3, 2003). Suppose that 100 employable people are selected
4 answers
asked by
aaron
1,475 views
A researcher plans to ask 8 randomly selected people if they went to the soccer tournament. The table below shows the
3 answers
asked anonymously
43 views
A student asks, “What’s wrong with the argument that the probability of rolling a double 6 in two rolls of a die is 1/3
1 answer
asked by
Twg
896 views
Four quilters are preparing patches for a quilt. When finished, the quilt will contain 200 patches. The quilters’
4 answers
asked by
jaz
604 views
Every Persons blood belongs to one of four blood groups. The percentage of U.S. blood donors to the Red Cross is given:
Type
1 answer
asked by
Chris
441 views
1.John puts the letters of the word FOOTFEST in 8 different envelopes. Paul chooses an envelope at random.
(a)(i)Calculate the
0 answers
asked by
Anonymous
786 views
hey, i'd really appreciate some help with this question:
A medical treatment is successful 75% of the time. A hospital wishes to
2 answers
asked by
elle
551 views
I need help or hint on the setup:
what is the probability that at least 2 students in a class of 36 have the same birthday? This
1 answer
asked by
student
462 views
Yuri surveyed randomly selected middle school students in his neighborhood. He found that around 60% of them plan to participate
4 answers
asked by
bri;)
2,156 views
The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability
4 answers
asked by
Denise
1,807 views
About 24% of all homes purchased on 2004 were considered investment properties. a random sample of 800 homes sold in 2004 is
4 answers
asked by
Anonymous
1,544 views
A number cube with the numbers 1 through 6 is rolled. find the given probability
P(number < 2) (1 point) 1/6 2/6 *** 4/6 3/6 2.
2 answers
asked by
anonymous
1,299 views
1. P(Number<2)
A. 1/6 B. 2/6 C. 4/6 D. 3/6 2. P(Number>3) A.4/6 B.1/6 C.2/6 D.5/ 3. P(Complement of 4) A.1/6 B.5/6 C.2/6 D.4/6 4.
7 answers
asked by
CaliGirl
1,089 views
According to the Smart magazine, 70% of smokers started smoking before the age of 18. Suppose 10 smokers are randomly selected
1 answer
asked by
jerry
1,065 views
2. Bender electronics buys keyboards for its computers from another company. The keyboards are received in shipments of 100
2 answers
asked by
david
1,072 views
1.if the probabilities are 0.87,0.36 and 0.29 that a family,randomly chosen as part of a sample survey in Adentan,owns a color
2 answers
asked by
Bravo
886 views
1. Use the following information about a group of college students: Fifty percent are taking Algebra. Sixty percent are taking
1 answer
asked by
Ahmad
850 views
I need help with this problem for school. For the first one i got .3758 and second 1.6, but i don't think they are right. My
1 answer
asked by
John
372 views
cube labeled 1 to 6 rolls 450 times. predict rolling less than 3
3 answers
asked by
Anonymous
777 views
You order sixteen burritos to go from a Mexican restaurant: seven with hot peppers and nine without. However, the restaurant
1 answer
asked by
0zz
763 views
The time required to finish a test in normally distributed with a mean of 80 minutes and a standard
deviation of 15 minutes. What
2 answers
asked by
chelsa
725 views
If 12 women are randomly selected, what is the probability that their mean head circumference is between 21.8 in and 22.8 in.?
1 answer
asked by
Kacey
706 views
In a certain city district, the need for money to buy drugs is given as the reason for 65% of all thefts. What is the
1 answer
asked by
NARUTO
677 views
It takes the bus an average of 20 minutes to arrive at a certain bus stop. A student is waiting for the next
bus to arrive. a)
3 answers
asked by
Sarah
670 views
The scores for an English exam are found to be normally distributed with a mean of 70% and a standard deviation of 5%. If the
7 answers
asked by
Anonymous
667 views
Police report that 88% of drivers stopped on suspicion of
drunk driving are given a breath test, 15% a blood test, and 10% both
1 answer
asked by
Lindz
649 views
After years of data collection by college students, it has been determined that the distribution of course grades in Ms.
2 answers
asked by
Karen
625 views
Paula asked 30 students what they ate for lunch.
All the students had at least a sandwich, salad or fruit.
2 answers
asked by
Daniela
621 views
Records from buzz's sawmill show that workers have a 0.02 probability of losing an arm and a 0.03 probability of losing a leg in
3 answers
asked by
Matt
597 views
1. A large video rental chain recently decided to change its rental policy, allowing an unlimited
return date instead of
2 answers
asked by
lina
569 views
Hello! :D can someone help me please by checking my answers? :3
you have a bag with 20 marbles ,2 yellow, 5 green, 12 red, and 1
2 answers
asked by
Someone :>
532 views
70% of the student body of a very large post-scondary institution is female. In a random sample of 12 students, what is the
4 answers
asked by
Sunny
540 views
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Parent Categories (34)
Binomial distribution
Binomial Experiment
Bivariate Data Analysis & Probability
Calculation
Coin flipping
Combinatorics
Conditional probability
Family ownership/Shopping preferences
Game Theory
Independent Events
Loss of Limbs
Marble selection
Markov chains
Misconceptions
Normal Distribution
Number Cube
Online Learning
Poisson Distribution
Probability
Probability & Statistics
Probability and Statistics
Probability Distribution
Probability of Events
Probability Theory
Sales Analysis
Sampling
Sampling distribution
Sampling Distributions
Statistics
Statistics or Probability
Student Grades and Absenteeism
Survey analysis
T-Distributions
Venn Diagrams