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Probability Distribution
Page 5
Questions (541)
So I tried solving the first one and apparently failed miserably, attempted both twice and got it wrong each time and I have one
1 answer
asked by
Randy
587 views
it is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. Find the probability that the
2 answers
asked by
Anonymous
671 views
A single dot is placed on a very long length of yarn at the textile mill. The yarn is then cut into pieces. The lengths of the
2 answers
asked by
A
872 views
Suppose that you have two laptops, both of which you begin using at time 0. Each laptop will eventually fail, and we model each
2 answers
asked by
JuanPro
803 views
the typical saturday the oil change facility will perform 40 oil changes between 10 am and 12pm. treating this as a random
1 answer
asked by
Sandra
743 views
experience shows that a ski lodge will be full(181 guests) if there is a heavy snowfall in december, white only partially full
2 answers
asked by
katie cicione
710 views
Assume a binomial probability distribution has p = .60 and n = 200.
c. What is the probability of 100 to 110 successes (to 4
1 answer
asked by
Vanessa
458 views
The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is
1 answer
asked by
Tikima
654 views
Which statement about a uniform probability distribution defined on a given interval is true?
A) The mean is always 0. B) The
2 answers
asked by
Shawna
492 views
The time required to complete a project is known to be normally distributed with a mean of 44 weeks and a standard deviation of
4 answers
asked by
Anonymous
1,699 views
(a) Find P(121 ¡Ü X ¡Ü 139), the probability that a randomly chosen girl at the start of 1st grade is between 121 and 139
1 answer
asked by
Anonymous
516 views
A brand name has a 40% recognition rate. If the owner of the brand wants to verify that rate by beginning with a small sample of
3 answers
asked by
Sharie
2,275 views
A company sells cans of chicken soup that that are advertised to contain 20 oz. However due to variations in the manufacturing
2 answers
asked by
Steven
638 views
Can someone help me figure out b. and c.? I understand a. bu the others are confusing for me to understand.
The mean amount of
1 answer
asked by
HelpPlz
411 views
Suppose we are interested in bidding on a piece of land and we know one other bidder is interested. The seller announced that
1 answer
asked by
kiinz
749 views
An unnoticed mechanical failure has caused one-fourth of a machine shop’s production of 10000 pistol firing pins to be
2 answers
asked by
nicole
549 views
Assume 10% of the engines manufactured on an assembly line are defective. If engines are randomly selected one at a time and
2 answers
asked by
Katy
646 views
Compute the mean and variance of the following discrete probability distribution.
x P(x) 2 .50 8 .30 10 .20 Please assist and
2 answers
asked by
Anna
707 views
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
TOM7
504 views
The amount of fill (weight of contents) put into a glass jar of spaghetti sauce is normally distributed with mean ì = 843 grams
2 answers
asked by
TOM7
720 views
Two balls are drawn from a bag with 4 black balls and 2 white balls. Find th probability distribution got drawing 2 black balls.
2 answers
asked by
Ericka
1,236 views
A trucking firm delivers appliances for a large retail operation. The packages (or crates) have a mean weight of 306 lb. and a
2 answers
asked by
DeeDee7
465 views
What is the probability distribution function (PDF) of Y, if Y is uniformly distributed on the interval [a,b], where b <= a?
2 answers
asked by
Ann
3,404 views
54% of the children in a large city are boys. Using a suitable approximation, calculate the probability that a random sample of
1 answer
asked by
Kelvin
462 views
Patients who have artificial hip-replacement surgery experience pain the first day after surgery. Typically, the pain is
2 answers
asked by
Nora 57
872 views
Suppose the results of an IQ test are normally distributed, with a mean of 10 and a standard deviation of 16. If 150 people took
1 answer
asked by
Susan
397 views
The percent of fat calories that a person in America consumes each day is normally distributed with a mean of 36 and a standard
2 answers
asked by
luke
1,435 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
Karen
577 views
According to an airline, a particular flight is on time 75% of the time. Suppose 140 flights are randomly selected and the
1 answer
asked by
MELISSA
710 views
The number of movies shown in different theatres on Saturday morning in a small city is given in the following.
x P(x) 1 0.15 2
1 answer
asked by
Lynn
398 views
Final averages are typically approximately normally distributed with a mean of 66 and a standard deviation of 10.5. Your
2 answers
asked by
Jane Segurra
1,088 views
The following data were obtained from a survey of college students. The variable X represents the number of non-assigned books
3 answers
asked by
cate
722 views
There are 9 tennis balls in a box, of which only 5 have not previously
been used. Four of the balls are randomly chosen from the
1 answer
asked by
osman
1,010 views
An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of
1 answer
asked by
Tonya
823 views
According to a recent survey, 38% of americans get 8 hours or less of sleep. if 25 people are selected, find the probability
1 answer
asked by
Sherry
756 views
5.3 The manager of a large computer network has developed
the following probability distribution of the number of interruptions
2 answers
asked by
Elaine
979 views
assume the readings on thermometers are normally distributed with a mean of 0 C and a standard deviation of 1.00 C. Find the
2 answers
asked by
jiji
750 views
A set of 500 values has a normal distribution. The mean of the data is 24 and the standard deviation is 2. Find the range about
1 answer
asked by
Brandon
442 views
How many green elements are required to make this a legitimate probability distribution if there are a total of 50 elements in
1 answer
asked by
Anonymous
306 views
Suppose that you
flip a fair coin (P(H)=P(T)=1 2 ) three times and you record if it landed on heads, H, or tails, T. (a) What is
3 answers
asked by
ami
534 views
Final averages are typically approximately normally distributed with a mean of 78 and a standard deviation of 11. Your professor
1 answer
asked by
Bibi
465 views
The time you wait in a bank until you are served by a teller is exponentially distributed with mean 10 minutes. Calculate the
2 answers
asked by
Teniche
514 views
Heights of women have a bell-shaped distribution with a mean of 161 cm and a standard deviation of 7 cm. Using Chebyshev’s
3 answers
asked by
mary
2,566 views
If 95% of all people between 21 and 50 have had at least one adult beverage in their life, find these probabilities for a sample
2 answers
asked by
AMber
645 views
(Find Normal Proportions)
The lengths of Atlantic croaker fish are normally distributed with μ = 10 inches and σ = 2 inches. a)
2 answers
asked by
Fran
1,006 views
The time it takes to run a road race is normally distributed with a mean of 190 minutes and a standard deviation of 21 minutes.
2 answers
asked by
Mickie
571 views
given x is a noramlly distributed random variable with a mean of 28 and a sd of 7 find p(x<28)
1 answer
asked by
melba
327 views
USA snapshot presented a bar graph depicting business travelers’ impression of wait times in airport security lines over the
1 answer
asked by
baby
372 views
The salaries at a corporation are normally distributed with an average salary of $29,000 and a standard deviation of $4,000.
3 answers
asked by
Sam
877 views
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
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