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Calculating Probabilities
Page 3
Questions (151)
Cam and Dean are playing a game with counters and dice. Cam has some counters, each labelled 1 on one side and 2 on the other.
4 answers
asked by
Tanvi
587 views
Collina’s Italian Café in Houston, Texas, advertises that carryout orders take about 25 minutes (Collina’s website,
2 answers
asked by
vanessa
560 views
Construct the probability distribution for the value of a 2-card hand dealt from a standard deck of 52 cards (all face cards
2 answers
asked by
Carlos
543 views
If events A and B are such that they are independent and p (a) = 0.3 and p(b) = 0.5
Find p (a n b) and p (a u b)
2 answers
asked by
JT
504 views
past history indicates that an average of 1.2 calls are received per minute. What is the probability of 3 or more calls per
2 answers
asked by
isaiah
513 views
5% of items manufactured by a machine are known to be defective is 4 out of 100 items taken randomly, find the probability that
2 answers
asked by
Aliya
480 views
Jack is taking a four-item true-false test. He has no knowledge about the subject of the test and decided to flip a coin to
5 answers
asked by
B.B.
526 views
Find the indicated binomial probabilities. Round to the nearest 3 decimal places.
In a local college, 20% of the math majors are
2 answers
asked by
please help me!
521 views
1.Find P(Z<-1.97 or Z>2.5),P(-2.08<Z<2.08) and P(0<Z<1.73)
2.The masses of packages from a particular machine are normally
4 answers
asked by
Raj
491 views
I'm so lost with this stuff!
2. What is the P (A) if we know that the odds in favor of A occurring are 3 to 4? (See section 9.4)
2 answers
asked by
harmony
494 views
Give the probability in decimal form (correct to two decimal places). A calculator may be helpful.
Last semester, a certain
2 answers
asked by
libby
498 views
A normal distribution has a mean of 20 and a standard deviation of 3.What is the probability that a randomly selected x-value
1 answer
asked by
Sam
482 views
Calculate P (A or B) in the following scenarios: b. P(A)=0.69, P(B)=0.68, P (A and B)=0.58 P(A or B)=
1 answer
asked anonymously
42 views
Calculate P (A or B) in the following scenarios: a. P(A)=0.27, P(B) = 0.03; A and B are mutually exclusive P(A or B) =
1 answer
asked anonymously
29 views
Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem
In an article about investment
1 answer
asked by
aaron
457 views
If x is a Poisson variate such that
3p (x=2) = 2p (x=1). Find 1. p (x=0) 2. p (x-3) Given e^(-4/3)=0.264
1 answer
asked by
Anonymous
451 views
The probability that Santa Claus is coming to town is 0.8. The probability that the Grinch is coming to town is 0.15. Find the
1 answer
asked by
lijm
452 views
Consider the probability that less than 13 out of 151 CDs will be defective. Assume the probability that a given CD will be
1 answer
asked by
Tammy
430 views
A recent study found that the average life expectancy of a person living in Africa is 53 years with a standard deviation of 7.5
1 answer
asked anonymously
43 views
What is the probability of getting a number less than three on a fair die and a tail on a coin flip?
(1 point) Responses 1/12
1 answer
asked anonymously
20 views
If there is a 8 in 17 chance of randomly selecting a black tile from a bag of black and white tiles, which of the following
1 answer
asked anonymously
18 views
LeBron’s average bowling score for the season is 180 with a standard deviation of 28. Use technology to determine which of the
3 answers
asked by
m
102 views
Calculate P(A or B)
in the following scenarios: a. P(A)=0.34,P(B)=0.34 ; A and B are mutually exclusive P(A or B)= 0.34 Round to
1 answer
asked by
gems
26 views
A letter is to be picked at random from the English alphabet. If each letter is equally likely to be selected, what is the
1 answer
asked anonymously
25 views
If a Poisson random variable X has an average of 2.6 find:P(X greater or =5)
A)0,3112 B)0,2876 C)0,2133 D)0,1889 E)0,1226
1 answer
asked anonymously
22 views
Given/Gegee: Z ~ N(0, 1). Calculate/Bereken:
1.1P(- 2.15 < Z < 1.52)
1 answer
asked anonymously
10 views
Letter tiles H,O,N,E,S,T are shuffled and placed in a box. A letter is selected at random. What is the probability of selecting
1 answer
asked by
Eli
13 views
A bakery owner wants to ensure they make enough cookies each day to meet the demand from customersOn average, they sell 92
1 answer
asked anonymously
7 views
If the table below represents a probability model based on observed frequencies, what is the value of x ?
Y C A R E S P(Y) 0.25
1 answer
asked by
Kanna
15 views
Which mathematical sentence can be used to calculate the probability of selecting student who wants to option to keep studying
1 answer
asked anonymously
34 views
A garden store has the following miscellaneous flower bulbs in a basket: 7 amaryllis 5 daffodils 6 lilies 4 tulips A customer
1 answer
asked anonymously
7 views
A jar contains 7 blue cubes, 4 blue spheres, 5 green cubes, and 6 green spheres. If you select an object at random, what is the
1 answer
asked anonymously
6 views
On a six-day vacation, the forecast is a 90%
chance of rain every day. What’s the probability that it rains every day? Enter a
1 answer
asked anonymously
23 views
For a class activity, each student randomly chooses a number from 1 to 10. Which model shows the probability of a student
5 answers
asked anonymously
64 views
Answers to Theoretical Probability Quick Check and Practice
Quick Check: A student has a bag of marbles. There are 5 pink, 7 red,
1 answer
asked by
MeowMeow
49 views
Y C. A. R. E. S
P(y). 0.25. 0.18. 0.30. 0.17. x What is the value of x A. 0.20 B. 1 C. 0.10 D. 0.01
1 answer
asked anonymously
6 views
A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 30%
of this population prefers
1 answer
asked anonymously
4 views
Nicole pulls a colored marble out of a bowl, choosing the marble at random. There are 120 marbles in the bowl, of which 80 are
1 answer
asked anonymously
11 views
What is the approximate probability that a player throws a dart that lands inside the middle circle on the dartboard shown? why?
1 answer
asked by
A_<3
3 views
A basket of fruits contains 10 bananas, 5 mangoes, and 5 apples. A fruit is selected at random. Calculate the probability of
1 answer
asked anonymously
5 views
Nicole pulls a colored marble out of a bowl, choosing
the marble at random. There are 120 marbles in the bowl, of which 80 are
1 answer
asked by
nopenope
11 views
Tiffany has white and black shoes in her shoebox the probability of her pulling out a white pair of shoes is 2/5. What is the
1 answer
asked anonymously
2 views
A large company plans to develop a private subdivision. There are 6 house models to choose from (models A, B, C, D, E, and F)
3 answers
asked by
GOD
12 views
The sample space of an experiment is S={a, b, c, d, e, f}. What is the probability of picking a consonant? Write your answer in
1 answer
asked by
XD
5 views
probability of chances eventquick check
Answers 1. 0.72 2. 0.20%, 0.25%, 0.30%, 0.10%, 0.15% 3. C WHERE it all equal and stop at
1 answer
asked anonymously
7 views
Magan owns a small business selling bagels. He knows that in the last week 39 customers paid cash, 9 customers used a debit
1 answer
asked anonymously
3 views
The experimental probability of a simple event is P(event) = number of times an event occurs / total number of trials
EXAMPLE:
1 answer
asked by
nobody
9 views
The tree diagram relates snowfall and school closings. Find the following probability. Let H, L, O, and C represent
1 answer
asked anonymously
4 views
A poll shows that 76% of voters favor an initiative. If 7 voters are selected at random, what is the
probability that exactly 4
1 answer
asked by
Unknown
4 views
1. Outcomes K I N D
Frequency 120 140 105 135 A spinner is divided into 4 sections labeled as K , I , N , D . Xavier reproduced
1 answer
asked by
celp
9 views
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Parent Categories (30)
Averages and Standard Deviation
Basic Probability Concepts
Binomial distribution
Binomial Probability
Binomial Probability Distribution
Coin toss
Continuous Random Variables
Cumulative Probability Distribution
Deck of cards
Drawing balls from a bag
Events
Events and Independence
Events and Outcomes
Experimental Probability
Exponential Distribution
Geometric Distribution
Independent Events
Markov chains
Mutually Exclusive Events
Normal Distribution
Odds and Probabilities
Poisson Distribution
Probability
Probability and Statistics
Probability Distribution
Probability of Events
Probability Theory
Statistics
Theoretical Probability
Tree Diagrams