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Probability Calculation
Page 3
Questions (146)
A true-false test consists of 15 items.
(a) If Chris does not study at all and guesses each and every item in the test, describe
2 answers
asked by
susan
747 views
two dice are rolled. if a 3 appears on either dice,then the two dice are rolled again and the two dice are added togather. if a
2 answers
asked by
deborah
663 views
A sign is posted in an elevator stating that the maximum number of people allowed is 25, and that the maximum weight capacity is
2 answers
asked by
Kara
617 views
An internal study by the Technology Services department at Lahley Electronics revealed company employees receive an average of
1 answer
asked by
sania
610 views
For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a
1 answer
asked by
Samantha
618 views
Of the 300 employees that were surveyed, 200 had college degrees, 50 were single, and 30 were both single and had college
2 answers
asked by
sam
592 views
30. The probability that a person can get infected with a rare type of blood disorder is
very small. Suppose that a blood test
2 answers
asked by
meri
605 views
the daily production of two factories A and B are 300 and 200 bottle respectively .2% of the product o f each factory are found
2 answers
asked by
david
571 views
There is a 0.0416 probability that a best-of-seven contest will last four games, a 0.0804 probability that it will last
2 answers
asked by
Anony123
545 views
7.
In a certain survey, 30% of those questioned are given an incentive to complete the survey. Of those who receive incentives,
2 answers
asked by
stats-help
577 views
The blood types B- and AB- are the rarest of the eight huan blood types representing 1.5% and .6% respectively.
a) If the blood
2 answers
asked by
Jen
544 views
The following Venn diagram describes the results of a survey of 500 Dallas students, asking whether they would prefer to visit
1 answer
asked anonymously
39 views
Assuming lambda=0.02 and t=50, compute P(2)
2 answers
asked by
Maddie
507 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
3 answers
asked by
Mary Ann
540 views
A basket of 50 golf balls contains 22 yellow balls. If 8 balls are selected at random from the basket, determine the probability
3 answers
asked by
Jeri
504 views
a baseball team a series of five games to play, with one game each day from monday through friday. If it rains on the day of a
1 answer
asked by
alfred
518 views
Following are three sets of letters. Draw one letter from Set 1 and place it in Set 2. Then draw one
letter from Set 2 and place
1 answer
asked by
Tasha
495 views
On average, you receive four pieces of junk mail a day. For a randomsample of 10 weekends find the probability that at least 8
1 answer
asked by
seda
488 views
Hugo has a job interview at Telus. He has a 56% of waking up late on the morning of the interview. When he wakes up late he has
2 answers
asked by
URGENT PLS
495 views
A popular restaurant downtown says that 15% of diners order the daily special. Consider a random
sample of 108 people who dined
2 answers
asked by
RC
482 views
If the probability of an event happening is 2/5, then the probability of the event not happening is 3/5? This is False. The
2 answers
asked by
joyce
485 views
Customers lose their bags 8% of the time at airports.
20 random people were watched to see if their bags were lost. Whats the
2 answers
asked by
Carly
495 views
In a survey that asked 69 people to indicate the reasons why they do not go to the gym, 44 responded that we’re too busy, 26
1 answer
asked anonymously
31 views
The times for completing one circuit of a bicycle course are normally distributed with a mean of 81.7 minutes and a standard
1 answer
asked by
john kay
461 views
THE MAXIMUM NUMBER OF CUSTOMERS ARRIVING DURING RANDOMLY CHOSEN 10-MIN INTERVALS IS 5 AT A DRIVE-IN FACILITY SPECIALIZING IN
1 answer
asked by
siddhi
452 views
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 16.
3 answers
asked by
Noah
456 views
every summer, each student organization at your school sends 2 students to summer camp. the teacher mentor randomly selects the
1 answer
asked by
brina
470 views
Four girls (say I, II, III and IV) are to rank 3 different types of cake (say A, B and C) in a blindfold test. Each girl ranks
1 answer
asked by
URMILA
450 views
Three drugs are being tested for use as the treatment of a certain disease.
Let p 1 , p 2 , and p 3 represent the probabilities
1 answer
asked by
Lauren
447 views
A fair coin is tossed three times in succession. The set of equally likely outcomes is {HHH,HHT,HTH,THH,HTT,THT,TTH,TTT}. Find
1 answer
asked by
Brendon
37 views
One hundred people were surveyed about their breakfast preferences. They had to choose between french toast and pancakes and
1 answer
asked anonymously
37 views
Data from a medical screening test for a disease are shown in the table below.
Have Disease Don't Have Disease Positive Test (+)
0 answers
asked anonymously
31 views
The table lists the number of Wednesdays on which the Norton Middle School
cafeteria served each of four different entrées and
1 answer
asked by
Mystic
19 views
Bot Ava has a bag of candies with six different flavors. She chooses one candy at random. It is unlikely that she will choose a
1 answer
asked by
Jello
20 views
Mary has 3 red balls, 2 blue balls and 1 yellow ball. If she will pick one ball randomly, what is the probability of getting a
1 answer
asked by
Dolly bu
15 views
At Kennedy High School, the probability of a student playing in the band is 0.15. The probability of a student playing in the
1 answer
asked anonymously
49 views
Antibiotic resistance is a growing problem in hospitals. Some antibiotics become less effective in clearing infections over
1 answer
asked anonymously
28 views
Given μ=5 and σ=0.5, find the probability that a random variable, x, is between 3.6 and 6.1.
A. -98.4% B. 98.6% C. 98.4 D. 1.4%
5 answers
asked by
m
37 views
The following table lists the probability distribution of the number of shoplifting incidents that occur during a day at a
1 answer
asked anonymously
15 views
The heights of 3-year-olds at a preschool averaged 35.2 inches with a standard deviation of 1.2 inches.
a.) Assuming a normal
1 answer
asked anonymously
20 views
For males in a certain town, the systolic blood pressure is normally distributed with a mean of 120 and a standard deviation of
1 answer
asked anonymously
17 views
Cherries Grapes
North 120 125 South 25 75 Examine the data from a survey about the part of the state people are from and the
1 answer
asked anonymously
20 views
The entries in the first call of mean that 65% of the responded to her ages 18 through 24 years at the time voted for candidate
1 answer
asked anonymously
4 views
A large company plans to develop a private subdivision. There are 6 house models to choose from and, for each model, a client
1 answer
asked anonymously
19 views
Question 5
A large company plans to develop a private subdivision. There are 6 house models to choose from and for each model, a
1 answer
asked by
your daddy
25 views
Suppose that the walking step lengths of adult males are normally distributed with a mean of 2.5
feet and a standard deviation of
1 answer
asked anonymously
6 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