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Probability Distribution
Page 7
Questions (541)
the average monthly mortgage payment for all homeowners in a city is 2760. suppose that the distribution of monthly mortgages
3 answers
asked anonymously
31 views
For df = 5 and the constant A, identify the value of A such that a. P(x² > A) = 0.90 b. P(x² > A) = 0.10 c. P(x² > A) = 0.95
1 answer
asked by
Lesliam
349 views
Find the variance if X~N(0.02) and 95% of the data lies between -7 and 7.
1 answer
asked by
Kyle
239 views
Two percent of the circuit boards manufactured by a particular company are defective. If circuit boards are randomly selected
1 answer
asked by
Nishi
780 views
A random variable N has a cumulative distribution function given by
F(x)={ 0 for x<1 0.2 for 1<=x<2 0.5 for 2<=x<3 0.8 for 3<=x<4
1 answer
asked by
Julie
354 views
A random variable N has a cumulative distribution function given by
F(x)={ 0 for x<1 0.2 for 1<=x<2 0.5 for 2<=x<3 0.8 for 3<=x<4
1 answer
asked by
Julie
374 views
In the last senatorial election in New Jersey, the republican candidate got 48% of the vote. During the election an exit poll
1 answer
asked by
Xavier
867 views
The amount of time Ricardo spends brushing his teeth follows a Normal Distribution with unknown mean and standard deviation.
2 answers
asked by
Ann
912 views
FIND THE EXPECTED PROFIT OR LOSS VALUE FOR 100,000 POLICIES:
AN INSURANCE POLICY SELLS FOR $625. BASED ON PAST DATA, AN VERRAGE
1 answer
asked by
SNOOPY
659 views
a box contains 100 cards, of which 25 are numbered 1, 35 are numbered 2, 30 are numbered 3, 10 are numbered 4. One card will be
3 answers
asked by
Anonymous
654 views
The sampling distribution of the sample mean is a probability model that illustrates the different values of the sample mean
1 answer
asked anonymously
32 views
Suppose X has a mound-shaped distribution with sigma=9. A random sample of size 36 has a sample mean 20. Is it appropriate to
4 answers
asked by
Tracey
2,428 views
For a t distribution with 16 degrees of freedom, find the area, or probability, in each region.
a. To the right of 2.120. (Use 3
3 answers
asked by
Vanessa
2,319 views
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 1264 chips
3 answers
asked by
Amanda
2,243 views
The physical plant at the main campus of a large state university receives daily requests to replace florecent lightbulbs. The
4 answers
asked by
Huong Nguyen
2,198 views
Suppose that the distance of fly balls hit to the outfield (in baseball)is normally distributed with a mean of 250 feet and a
4 answers
asked by
Gail
2,174 views
Container 1 has 8 items, 3 of which are defective. Container 2 has 5 items, 2 of which are defective. If one item is drawn
4 answers
asked by
Marla
1,962 views
A vending machine dispenses coffee into a twelve-ounce cup. The amount of coffee dispensed into the cup is normally distributed
4 answers
asked by
Anonymous
1,910 views
Five males with a particular genetic disorder have one child each. the random variable x is the number of children among the
3 answers
asked by
slomomo
1,914 views
Births are approximately uniformly distributed between the 52 weeks of the year. They can be said to follow a uniform
3 answers
asked by
BORNIUCS
1,843 views
Construct the probability distribution for the value of a 2-card hand dealt from a standard deck of 52 cards (all face cards
4 answers
asked by
Starr
1,810 views
Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3
3 answers
asked by
Anonymous
1,776 views
what is the critical value t that satisfies the condition that the t distribution with 8 degrees of freedom has probability .10
4 answers
asked by
Anonymous
1,426 views
The life of automobile voltage regulators has an exponential distribution with a mean life of six years. You purchase an
4 answers
asked by
ash
1,455 views
The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.8 ounces and
1 answer
asked anonymously
39 views
Information from the American Institute of Insurance indicates the mean amount of life insurance per household in the United
4 answers
asked by
Student5
1,434 views
The probability equation for a survey and the number of speeding tickets, giving it a certain day any local neighborhood is
1 answer
asked anonymously
24 views
And giving probability equation is Px =2x-1/16 where X can be one, two, three, or four. Does this determine the probability
1 answer
asked anonymously
17 views
The probability of reaching a certain point value in a popular video arcade game is listed in the table. Given that the table is
1 answer
asked anonymously
28 views
A box contains 12 lights bulbs, of which 4 are defective. All bulbs look alike and have equal chance of being chosen. 3 light
3 answers
asked by
Yvonne
1,420 views
Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3
2 answers
asked by
Anonymous
1,282 views
The mean grade in this class last semester was 78.3, and the variance was 49 . The distribution of grades was unimodal and
2 answers
asked by
Francisco
1,262 views
On the leeward side of the island of Oahu, in the small village of Nanakuli, about 80% of the residents are of Hawaiian
2 answers
asked by
Chad
1,247 views
Suppose that the probability that an item produced by a certain machine will be defective is 0.2. A sample of 12 items is
1 answer
asked by
Hayley
1,247 views
Consider the normal curve. (Give your answers correct to four decimal places.)
(a) Find the area to the right of z = 0.00. (b)
2 answers
asked by
Ayden
1,242 views
Complete the following probability distribution table and then calculate the stated probabilities.
Outcome a b c d e Probability
1 answer
asked by
Liz
1,192 views
We use the normal distribution to make estimates about a population.t or f
1 answer
asked by
Anonymous
1,151 views
2424% of college students say they use credit cards because of the rewards program. You randomly select 10 college students
3 answers
asked by
Anonymous
1,118 views
given that x~n(300,15), find the 70th percentile.
3 answers
asked by
Anonymous
1,087 views
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We
2 answers
asked by
apryl
1,088 views
A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.50,
2 answers
asked by
tang
1,077 views
The lifetimes of projector bulbs of a particular type are normally distributed with a mean of 470 hours and a standard deviation
3 answers
asked by
Justice
1,079 views
using a mean of 80 and a standard deviation of 12. a) what is the score that divides the distribution such that 99% of the area
2 answers
asked by
henrietta
1,056 views
Bill has completed a 10-question multiple-choice test on which he answered 7 questions correctly. Each question had one correct
2 answers
asked by
elegantina
1,057 views
An important measure of the performance of a locomotive is its "adhesion," which is the locomotive's pulling force as a multiple
2 answers
asked by
Sarah
1,044 views
The percent of fat calories that a person consumes each day is normally distributed with a mean of about 37 and a standard
2 answers
asked by
Rosy
1,018 views
You are driving a car and the speed is an exponentialy distributed random variable
with mean 50 (in miles per hour). The speed
1 answer
asked by
hsuan
1,005 views
Question2: When parking a car in a downtown parking lot, drivers pay according to the number of hours or fraction thereof. The
1 answer
asked by
s.Alhosani
1,004 views
Assume that a procedure yields a binomial distribution with n=297
trials and the probability of success for one trial is p=37%
1 answer
asked anonymously
44 views
Seven thousand raffle tickets are to be sold at $10 each to benefit a local community group. The prizes, the number of each
1 answer
asked by
Krista
960 views
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