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Probability Calculation
Page 2
Questions (146)
On my commute to work, I pass through two intersections with traffic lights. Based on a large amount of empirical data, I
7 answers
asked anonymously
57 views
During a given month, P(A)=0.75,P(B)=0.6, and p(A and B). Are these two events independent? are they mutually exclusive.
yes;yes
5 answers
asked by
Tikima
1,861 views
Can you please tell me how to solve for the following?
Pedro took an exam in a class in which the mean was 64 with a standard
3 answers
asked by
Sandra
835 views
You repeatedly toss a fair coin for 5 times. What is the probability that heads comes up at least 3 times before tails comes up
2 answers
asked by
Elizabeth
482 views
1) a. Provide two independent events that you know the probability of.
b. Explain how you know these events are independent. c.
1 answer
asked by
Bre
117 views
1] Let |ψ⟩=(2+i/3)|0>−(2/3)|1>. If we measure |ψ⟩ in the basis |u⟩=(1+i/2)|0>+(1−i/2)|1>,
7 answers
asked by
SS01
490 views
Please help, I would appreciate an explanation on how you got the answer so I can understand it, being that I am so confused.
The
1 answer
asked by
penelope
1,042 views
according to a survey, 30% of 18-25 year olds have blue eyes. In a random sample of 8 people in this age group what is the
1 answer
asked by
Madison
394 views
A survey is conducted to determine the favorite type of pizza topping among a group of people. The results show that 25% prefer
2 answers
asked by
Anonymous goat
4,267 views
Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1
1 answer
asked by
Kelsey
432 views
3. Suppose you work for the Ford Motor Company and must establish regulations concerning the maximum number of people who can
2 answers
asked by
AMbe
478 views
Claire takes a five-question true-false test. She hasn't studied, so she guesses at random. With her ESP she figures she has a
2 answers
asked by
Ben
547 views
A hospital uses the Emergency Severity Index1 to classify its patients. This classification scheme has five categories from
3 answers
asked by
Jishka
54 views
If the odds of winning a raffle are 2:240, what is the probability of winning?
I think it's 2/240??
4 answers
asked by
Jen
582 views
Any answers are greatly appreciated.
a) In the game of “In-Between” two cards are drawn from a standard deck of 52 cards.
1 answer
asked by
steve
892 views
It is known that about 20% of car insurance policies include emergency road service. Suppose we randomly select 10 car insurance
3 answers
asked by
Anonymous
390 views
The probability of a manufacturing defect in an aluminum beverage can is .00003. If 100,100 cans are produced,
(a) Find the
1 answer
asked by
Helen
833 views
Suppose that the probability is 1 in 3,900,000 that a single auto trip in the United States will result in the death of the
1 answer
asked by
Laura
498 views
help please!
A IRS auditor randomly selects 3 tax returns from 53 returns of which 13 contain errors. what is the probability
2 answers
asked by
anonymous
594 views
Assume that each month the average Canadian household generates an average of 13kg of newspaper for garbage or recycling with a
4 answers
asked by
Odette
509 views
In many families both parents work, as a result there is increasing need for day care. Data was collected; and one year in
2 answers
asked by
Writeacher
537 views
A company claims that no more than 5% of a particular product has a defect. In a shipment of 15 units, what is the probability
1 answer
asked by
Frederick
473 views
the director of an insurance companies computing center estimates that the companies computer has a 20% chance of catching a
1 answer
asked by
Jason L
463 views
Hi can someone please help me?
A recent study gave the information shown in the table about ages of children receiving toys. The
3 answers
asked by
Kelly
2,899 views
About 75% of the girls in grade 7 at Grande Rock Middle School prefer colored jeans to the regular blue ones. The randomly
4 answers
asked by
bri;)
1,864 views
1. Express the indicated degree of likelihood as a probability value.
"There is a 40% chance of rain." 2. Find the indicated
3 answers
asked by
george
1,831 views
A company makes batteries with an average life span of 300 hours with a standard deviation of 75 hours. Assuming the
3 answers
asked by
carissa
1,549 views
A group of people were asked if they had run a red light in the last year. 433 responded "yes", and 424 responded "no".
Find the
3 answers
asked by
laura
1,511 views
Assume that about 45% of all U.S. adults try to pad their insurance claims. Suppose that you are the director of an insurance
4 answers
asked by
Randy
1,482 views
An experiment consists of rolling a weighted die. The probability of rolling each number is: Pr[1]=0.2 , Pr[2]=0.15 , Pr[3]=0.25
1 answer
asked by
Nahla
1,333 views
A multiple choice exam has 20 questions; there are four choices for each question.
A student guesses the answer to every
2 answers
asked by
m
1,273 views
In a race, the odds in favour of horses A, B, C, D are 1 : 3, 1 : 4, 1 : 5 and 1 : 6 respectively. Find
probability that one of
1 answer
asked anonymously
35 views
My mean is 175.5 My standard deviation is=90.57 Sample=25 Formula to be used: P(X>190)=P((X-mean)/s sqrt of my sample is = 5
1 answer
asked by
Ann
1,113 views
In a particular manufacturing plant, two machines (A and B) produce a particular part. One machine (B) is newer and faster. In
1 answer
asked by
Brahmprakash
1,106 views
suppose x is a uniform random variable with c=30 and d=80 find the probability that a randomly selected observation exceeds 50
th
2 answers
asked by
lexi
1,026 views
In a survey conducted by researchers at the University of Wisconsin, subjects were asked the question "Have you ever used
2 answers
asked by
Tyra
1,067 views
In an Intro Stats class, 57% of students eat breakfast in the morning and 80% of students floss their teeth. Forty-six percent
2 answers
asked by
Larry
1,049 views
Lubbock, Texas ran a survey and determined that 27% of all households
subscribed to the daily paper, 32% watched the evening
1 answer
asked by
Kate
974 views
Assume that a procedure yields a binomial
distribution with a trial repeated n times. Use a binomial probabilities table to find
3 answers
asked by
angela
998 views
1. Consider a population with µ=73.6 and 0 = 5.38
(A) Calculate the z-score for x =72.7 from a sample of size 45. (B) Could this
2 answers
asked by
jane
942 views
A set of data is normally distributed with a mean of 98 and a standard deviation of 15. What is the probability that the value
2 answers
asked by
Anonymous
929 views
A consumer magazine investigated the relationship between new car purchase price and total repair costs over a 10-year period.
4 answers
asked by
Red
287 views
A survey showed that 23 % of college students read newspapers on a regular basis and that 82 % of college students regularly
1 answer
asked by
Anonymous
827 views
. Suppose that about 20% of those called will find an excuse (work, poor health, travel out of town, etc.) to avoid jury duty.
2 answers
asked by
Jacob
841 views
If 86% of households have cable television and three households are picked at random, what is the probability that at least one
2 answers
asked by
Janice
825 views
1. Nine students ask to visit a college admissions counselor. Each scheduled visit includes one student. In how many ways can
10 answers
asked by
|-/
1,025 views
look at the chart- out of 150 dog owners 75 perfer human food only,45 perfer pet food only and 30 perfer both human and pet
1 answer
asked by
Julie
793 views
At the first tri-city meeting there are 8 people from town A, 7 people from town b and 5 people from town c. If a council
1 answer
asked by
Rmz
795 views
Based on data collected by the National Center for Health Statistics and made available to the public in the Sample Adult
1 answer
asked by
Hussain
744 views
A bag contains a total of 24 white, red, and blue marbles. A student randomly selects a marble from the bag, records the color,
3 answers
asked by
kate
752 views
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Parent Categories (50)
Antibiotic resistance
Bag Loss at Airports
Binomial distribution
Blood Pressure
Breakfast preferences
Candy selection
Coin flipping and dice rolling
Coin toss
Coin Toss Experiment
Combinations and Permutations
Combinatorics
Conditional probability
Data Analysis
Descriptive Statistics
Diagnostic Tests
Distribution
Emergency Severity Index
Event Independence and Exclusivity
Experimental Probability
Hypertension
Independent Events
Letter selection
Mathematics/Probability
Measurement and Basis Transformations
Medical Screening Tests
Mendelian Inheritance
Normal Distribution
Poisson Distribution
Pregnancy testing
Probability
Probability and Statistics
Probability Theory
Random Sampling
Sample Space
Sex-linked Traits
Simulation
Standard Deviation and Z-Scores
Statistical Analysis
Statistics
Statistics and Probability
Survey analysis
Survey Results
Surveys and Data Analysis
Surveys and Data Collection
Surveys and Sampling
Two-way frequency table analysis
Two-way Tables
Uniform Distribution
Usage of Office Computers for Personal Holiday Shopping
Z-scores