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Probability and Statistics
Page 7
Questions (4,630)
There is a spinner with 15 equal areas, numbered 1 through 15. If the spinner is spun one time, what is the probability that the
1 answer
asked by
Adoette
132 views
A bag contains 6 red marbles, 4 blue marbles and 7 green marbles. If three marbles are drawn out of the bag, what is the exact
1 answer
asked anonymously
91 views
A spinner has three equal sections: blue, green, and purple. Josiah spins the spinner and tosses a coin. Which shows the sample
1 answer
asked by
James Glass
162 views
PROBLEM 4: PARKING LOT PROBLEM (3 points possible)
Mary and Tom park their cars in an empty parking lot with n≥2 consecutive
3 answers
asked by
JuanPro
2,636 views
Suppose 20% of babies born are born early, 50% are born on time, and 30% are born late. A nurse uses a random-number table to
3 answers
asked by
AnonymousUser1234
86 views
Identifying Sample Spaces
When you press Enter on the keyboard, a computer program outputs a random odd number greater than 1 and
1 answer
asked by
8 of 118 of 11 Items 05:09 Question Proba
219 views
Given that the probability of a chance event is a number between 0 and 1 that expresses the likelihood of the event occurring,
3 answers
asked by
goog
182 views
A money envelope contains five $10 bills, ten $20 bills, and fifteen $50 bills. Sandra randomly selects two bills without
1 answer
asked by
Cheezet
191 views
Which events are NOT independent?
Landing on heads after tossing a coin and rolling a 3 on a 6- sided number cube Choosing a
23 answers
asked by
Priscilla
3,443 views
The probability is 0.35 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In ten
3 answers
asked by
k
1,401 views
An individual has a transition intensity of mortality for the next 10 years of μs=0.01s per annum (where s is the number of
3 answers
asked by
pratham
717 views
Suppose you work for the quality control department at Hewlett Packard. You know that ink jet cartridges are sometimes
4 answers
asked by
Jaz
492 views
This figure below describes the joint PDF of the random variables X and Y. These random variables take values over the unit
7 answers
asked by
anonymous
1,086 views
the life span of a calculator manufactured by the intel corporation has a normal distribution with a mean of 54 months and a
2 answers
asked by
Shriya Sharma
787 views
A class consists of 50 women and 82 men. If a student is randomly
selected, what is the probability that the student is a woman?
3 answers
asked by
angela
808 views
Adefective coin minting machineproducescoinswhoseprobability ofheadsisarandomvariable P with PDF
1+sin(2πp), if p ∈ [0,1],fP
1 answer
asked by
Anonymous
943 views
On any given day, mail gets delivered by either Alice or Bob. If Alice delivers it, which happens with probability 1/4, she does
4 answers
asked by
sagar
3,451 views
1. The table shows the results of spinning a four-colored spinner 50 times. Find the experimental probability and express it as
40 answers
asked by
DragonBornFU5R0D48
5,618 views
Of 500 employees, 200 participate in a company's profit sharing plan(P), 400 have major insurance coverage(M), & 150 employees
4 answers
asked by
Jean
1,573 views
3) As on previous let X_1….X_n be i.i.dwith pdf
f_θ(x)= θx^(θ-1)1(0≤θx≤1) where θ>0 a) Assume we do not actually get
3 answers
asked by
juanpro
567 views
Suppose that X, Y, and Z are independent random variables with unit variance. Furthermore, E[X] )= 0 and E[Y] = E[Z] = 2. Then,
2 answers
asked by
silly_muffin
250 views
Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing three red marbles, three green ones,
3 answers
asked by
Ana
3,009 views
Hallie is trying to win the grand prize on a game show. Should she try her luck by spinning a wheel with 6 equal sections
1 answer
asked by
stream "bite me" by enhypen
99 views
Consider a Bernoulli process, with arrival probability at each time slot equal to p=1/3.
An observer arrives at time slot 10 and
5 answers
asked by
Ann
2,508 views
Tax returns filed manually have a 20% chance of containing errors, while tax returns filed electronically have a 0.05% chance of
2 answers
asked by
kuol wor
100 views
CLT for the binomial
Let X be binomial with parameters n=49 and p=1/10. The mean of X is: unanswered The standard deviation of X
5 answers
asked by
SK
3,493 views
We have a red coin, for which P(Heads)=0.4, a green coin, for which P(Heads)=0.5 and a yellow coin for which P(Heads)=0.6. The
5 answers
asked by
Alex
6,744 views
Each magazine that Charlie reads takes an amount of time that follows an exponential distribution with mean 10 minutes. The
7 answers
asked by
Arrival
2,654 views
The joint PMF, pX,Y(x,y), of the random variables X and Y is given by the following table:
(see: the science of uncertainty) 1.
3 answers
asked by
RVE
7,234 views
By the argument in the last video, if the Xi are i.i.d. with mean μ and variance σ2 , and if Mn=(X1+⋯+Xn)/n , then we have
5 answers
asked by
SK
2,883 views
Makalo has five cards, numbered 1 to 5. He picks one card at random, replaces that card back in with the others, and then picks
2 answers
asked by
Antony Joseph
116 views
a single standard number cube is tossed. what is the probability of getting a 4 or 5?
27 answers
asked by
sincerely
172 views
Two urns both contain green balls and red balls. Urn contains six green balls and four red balls and urn to contains eight green
1 answer
asked anonymously
92 views
2. AllElectronics caries 1000 products, P1, … P1000. Consider customers Ada, Bob, and Cathy such that Ada and Bob purchase
4 answers
asked by
Edward
1,502 views
A multiple-choice test has 48 questions, each with four
response choices. If a student is simply guessing at the answers, a. What
3 answers
asked by
Nickie
1,063 views
Suppose Y ∼ N(μ=0, σ). Find σ so that the normal population contains 90% of its probability between -1 and 1. Please round
3 answers
asked by
Help Please!!!
571 views
A high school class conducts a survey where students are asked about their eye color and whether or not they wear glasses. The
1 answer
asked by
kenZZZ
184 views
An experiment was conducted where two dice were rolled 50 times. The sum of the faces are recorded in the chart.
What is the
5 answers
asked by
How many possible outcomes are there in a single r
280 views
Relative Frequency and Probability
A hen laid exactly 6 eggs each week for 3 weeks of a 12 week period. The same hen also laid 4
21 answers
asked by
How many possible outcomes are there in a single r
211 views
A jar contains 8 red marbles numbered 1-8 and 6 blue marbles numbered 1-6. Marble drawn at random from the jar. Find the
1 answer
asked anonymously
89 views
The letter tiles C, A, R, E, and S are placed in a box. Without looking, Jorelle picks a letter tile from the box and records
5 answers
asked by
just living :>
247 views
A batch of 350 raffle tickets contatins 4 winning tickets. You buy 4 tickets. What is the probability that you have:
a.) No
5 answers
asked by
Sharon
3,792 views
A bag contains 9 red chips and 12 blue chips. Two chips are selected randomly without replacement from the bag. What is the
4 answers
asked by
J
8,701 views
Suppose that X, Y, and Z are independent random variables with unit variance. Furthermore, E[X] )= 0 and E[Y] = E[Z]. Then,
2 answers
asked by
silly_muffin
193 views
Three coins are tossed into the air simultaneously and for each coin it is recorded whether an eagle or a sun appears. What is
1 answer
asked anonymously
90 views
2 identical baskets A and B contain white and red balls. Basket A contains 7 White balls and 3 red balls while basket B contains
1 answer
asked by
Kharl
219 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
The diagram below shows
1 answer
asked by
Jeff
110 views
If 25% of U.S. federal prison inmates are not U.S. citizens, find the probability that two
randomly selected federal prison
1 answer
asked by
Randy
91 views
Suppose you cast and keep casting a die until you get either number 5 or 6? What is the probability that you will stop after
1 answer
asked by
xiny
75 views
Let X be a continuous random variable. We know that it takes values between 0 and 6 , but we do not know its distribution or its
5 answers
asked by
Anonymous
6,738 views
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