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Probability Distribution
Page 8
Questions (541)
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently
1 answer
asked by
Jon
939 views
1. A bag of colored blocks contains the following assortment of colors:
red (13), blue (12), orange (21), purple (14), green
2 answers
asked by
Anonymous
937 views
The number of accidents that occur at the intersection of Pine and Linden streets between 3 p.m. and 6 p.m. on Friday afternoons
2 answers
asked by
Felicia
915 views
Assume that the weight loss for the first two months of a diet program has a uniform distrbiution over the interval 6 to 12
2 answers
asked by
KAYTLYN
920 views
Suppose that people’s weights are normally distributed, with mean 175 pounds and a standard deviation of 6 pounds. Round to
3 answers
asked by
lynda
939 views
The mean amount spent by a family on food per month is $500 with a standard deviation of $75. Assuming that the food costs are
2 answers
asked by
Bryant
914 views
The mean systolic blood pressure of adult males is normally
distributed with a mean of 138 (millimeters of mercury) and a
2 answers
asked by
P-Dub
906 views
A basketball player’s probability of making a free throw is 9/10. When the player shoots 2 free throws in a row, X is the
2 answers
asked by
Eira
903 views
A candy company claims that 11% of its plain candies are orange, and a sample of 200 such candies is randomly selected
a. find
1 answer
asked by
slomomo
881 views
Women’s heights are normally distributed with a mean of 162 cm and standard deviation of 16 cm.
a. Define an random variable,
2 answers
asked by
Jasmine
881 views
the annual per capita consumption of fresh oranges in pounds in the united states can be approximated by a normal distribution,
2 answers
asked by
Anonymous
865 views
Electricity bills in a certain city have mean $108.73. Assume the bills are normally distributed with standard deviation $10.60.
2 answers
asked by
Tommy
857 views
More than 200 billion grocery coupons are distributed each year for discounts exceeding $84 billion. However, according to a
1 answer
asked by
Joy
830 views
Find the expected value, ì, for the sum of two fair dice. The probability distribution for the sum of two dice is given in the
2 answers
asked by
Anonymous
818 views
The annual precipitation for one city is normally distributed with a mean of 72 inches and a standard deviation of 3.5 inches.
4 answers
asked by
Marc
834 views
Suppose a certain species bird has an average weight of grams. Based on previous studies, we can assume that the weights of
3 answers
asked by
Rachel
823 views
The regional manager in Exercise 6.10 plans to evaluate the speed of services at five local franchises of the restaurant. For
4 answers
asked by
Josephine
828 views
A study is conducted regarding shatterproof glass used in automobiles. Twenty-six glass panes are coated with an anti-shattering
2 answers
asked by
Kaley
799 views
For a t distribution with 16 degrees of freedom, find the area, or probability, in each region.
c. To the left of -1.746. (Use 2
1 answer
asked by
Madi
779 views
Info given:With a random sample of 9 men. let X denote the number of men with head circumference larger than 57.8cm. the normal
1 answer
asked by
UPD
388 views
To qualify for a special program at university, sharma had to write a standardized test. The test had a maximum score of 750,
2 answers
asked by
jessica
790 views
The average electric bill in a residential area is $72 for the month of April. The standard deviation is $5. If the amounts of
2 answers
asked by
helppp
764 views
A market research company employs a large number of typists to enter data into a computer database. The time taken for new
1 answer
asked by
Anonymous
762 views
Suppose a basketball player successfully makes 70% of the free throw shots they attempt. Let X
represent the number of successful
1 answer
asked by
Adam
752 views
The weights of male babies less than 2 months old in the United States is normally distributed with a mean of 11.5 pounds and a
2 answers
asked by
Jeri Jackson
762 views
Let z be a normal random variable with mean 0 and standard deviation 1. The 4th decile of z is ___.
a) 0.67 b) –1.25 c) -0.25
1 answer
asked by
S
731 views
A source in the Internal Revenue Service has stated that historically 90% of federal tax returns filed are free of arithmetic
4 answers
asked by
Sarah
726 views
In a lottery, 5000 tickets are sold for $1 each.... one1st prize of $2000, 1 2nd prize of $500, 3 third prizes of $100, and 10
3 answers
asked by
lijm
718 views
A company finds that one out of five employees will be late to work on a given day. If this company has 42 employees, find the
1 answer
asked by
Sarah Duensing
701 views
4.90. Defective Equipment. A piece of electronic eqipment contains six computer chips, two of which are defective. Three chips
2 answers
asked by
Anonymous
721 views
Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by
2 answers
asked by
John
715 views
Find an example of application of Normal Distribution (or approximately Normal Distribution) in your workplace or business (or
2 answers
asked by
Kathy
696 views
A life insurance salesman sells on the average 3 life insurance policies per week. What type of this distribution is? (2 marks)
L
2 answers
asked by
sara
679 views
Statistical Abstracts (117th edition) reports sale price of unleaded gasoline (in cents per gallon) at the refinery. The
2 answers
asked by
Joy
677 views
a local content center reports that it has been experiencing a 15% rate of no shows on advanced reservations. Among 150 advanced
2 answers
asked by
Anonymous
655 views
1. A spinner has four outcomes Three outcomes have the same probability and the fourth is half as likely.
2. A spinner has three
2 answers
asked by
Alex
669 views
The probability that a school bus is late is 0.04. How many times would you expect the bus to be late in a 5-week period?
2 answers
asked by
CB
681 views
Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15.
3 answers
asked by
michelle
654 views
The mean systolic blood pressure of adult males is normally
distributed with a mean of 138 (millimeters of mercury) and a
2 answers
asked by
jason
663 views
Suppose that the probability distribution of a random variable x can be described by the formula
P(x) = x/15 For each of the
1 answer
asked by
Kelly
632 views
EVENT PROBABILITY
First set of O- rings function correctly and second O-ring functions correctly .7552 First set of O-rings
1 answer
asked by
penelope
633 views
The amount of Jen's monthly phone bill is normally distributed with a mean of $55 and a standard deviation of $9. Within what
2 answers
asked by
anonymous
628 views
Assume that the average annual salary for a worker in the United States is 300,000- and that the annual salaries For Americans
2 answers
asked by
Ann
635 views
Use the table to answer each question. Note: Round z-scores to the nearest hundredth and then find the required A values using
1 answer
asked by
rose
622 views
Answer the following questions. (a) The random variable x is distributed normally, with x~N(80,100) Find the probability
2 answers
asked by
Anony123
633 views
When you post a picture on social media, it seems like your friends randomly "like" the picture. Independent of the quality or
1 answer
asked by
John
650 views
Suppose that in a large population the proportion of people that have a certain disease
is 0.01. Use the Poisson approximation to
4 answers
asked by
andrea
640 views
. At a track meet, 50 people ran the 100-meter dash. 2 people finished in 11 seconds, 5
people finished in 12 seconds, 8 people
2 answers
asked by
Ashley
636 views
Test the following function to determine whether it is a probability function. If it is not, then make it into a probability
1 answer
asked by
Tom
616 views
1. Use the following to answer questions: The table below presents the probability distribution for X = the number of email
2 answers
asked by
Denise
612 views
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Parent Categories (37)
Coin flipping
Combinatorics
Conditional probability
Daily Water Intake
Data Analysis
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Rate of Arrival
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Sampling and Sampling Distributions
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