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Binomial distribution
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Questions (365)
Assume a binomial probability distribution has p = .60 and n = 200.
a. What is the probability of 100 to 110 successes (to 4
2 answers
asked by
Vanessa
589 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
Some people believe in the force (yes, like in Star Wars). To test if young Anakin Skywalker has the force with him, he is told
3 answers
asked by
helen
1,801 views
consider caleb the basketball player. In a game, he shoots 10 free throws. In the year, he makes 70% of his free throws. Is this
4 answers
asked by
Helen
1,684 views
Imagine taking a 10-question true or false exam. You randomly guess at each question. Don't do any calculations, just tell me
3 answers
asked by
Helen
2,137 views
Suppose that you are in a class of 31 students and it is assumed that approximately 10% of the population is left-handed. (Give
1 answer
asked by
Kay
696 views
The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a
1 answer
asked by
Katy
858 views
I have less than 24 hours to find the binomial probability of P(20<x<23)=
and P(x>23)= if n=30 p=.23 u=6.9 q=.77 and the standard
1 answer
asked by
Amy
297 views
There are 10 cards. Each card has one number between 1 and 10, so that every number from 1 to 10 appears once.
In which
3 answers
asked by
Johnny
1,743 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
An unnoticed mechanical failure has caused one-fourth of a machine shop’s production of 10000 pistol firing pins to be
1 answer
asked by
nicole
704 views
We send a frame of 256 bits. If the probability that a bit changes in transmission is 0.001 and each bit is independent.
a. What
1 answer
asked by
liam
458 views
For X ∼ Bin(n, p), show that E(X) = np and Var(X) = np(1 − p)
Our book defines this as true, but I don't know how to actually
1 answer
asked by
Janet
405 views
Suppose that you are in a class of 31 students and it is assumed that approximately 13% of the population is left-handed. (Give
1 answer
asked by
Tom56
482 views
x is a binomial random variable. (Give your answers correct to three decimal places.)
(e) Calculate the probability of x for: n =
2 answers
asked by
Gayle 57
573 views
Consider the binomial random variable x with n = 30 and p = 0.85.
(a) Find the mean. (Give your answer correct to one decimal
3 answers
asked by
Nora 511
616 views
If x is a binomial random variable, calculate the probability of x for each case.
n=4, x=1, p=0.3 answer 0.4116
2 answers
asked by
Sue
461 views
A binomial random variable is based on n = 28 and p = 0.7. Find x2P(x). (Give your answer correct to two decimal places.)
1
2 answers
asked by
Toni
517 views
1. Assume that x is a binomial variable with an expected value of 3 and variance of 2.4 .find (a) P(x=0) (b) P(x=12)
THnxs
1 answer
asked by
Robert
368 views
In a binomial distribution,n=8 and π=.35. Find the probabilities of the following events. (Round your answers to 4 decimal
2 answers
asked by
Tonya
908 views
A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at
3 answers
asked by
sasha
1,365 views
twenty percent of the employees of a large company are female.use the normal approximation of the binomial probabilities to
1 answer
asked by
mira
742 views
Assume that X is a binomial random variable with n = 5 and p = 0.35. Calculate the following probabilities?
2 answers
asked by
Alicia
1,097 views
Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a
1 answer
asked by
laura
775 views
n=18,x=14,p=0.75 using binomial probablility
1 answer
asked by
monica
262 views
find the normal approximation for the binomial probability that x=5 where n=14 and p=0.3 compare this to the value of p(x=5)
1 answer
asked by
melba
444 views
Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then
2 answers
asked by
Michelle
564 views
Suppose that a sample of n = 1,600 tires of the same type are obtained at random from an ongoing production process in which 8%
2 answers
asked by
Chris
846 views
Consider a collection of n biased coins, each showing Heads with probability p and Tails with probability 1-p , independently of
2 answers
asked by
sand
515 views
Actually I'm asking this question because I found my answer for the HW question somewhat weird, but I still can't determine
2 answers
asked by
Cecile
489 views
The number of immigrants living in a certan country with a large population makes up 20 percent of the population. in a random
1 answer
asked by
linda
460 views
This week we practice with Binomial Distribution.
You can use Appendix Table E or Excel Function Binomdist. About 30% of adults
3 answers
asked by
mary
1,405 views
A telemarketer with B2B Communications has a 20 percent historical probability of making a sale during a shift where 100 calls
2 answers
asked by
tom
489 views
A box contains 8 marbles: 3 red, 4 blue, and 1 green. We draw without replacement from the box 4 times. Let X be the number of
3 answers
asked anonymously
75 views
Suppose it is known that a new treatment is successful the cases. If it is tried on 15 patients, find the probability [Use
1 answer
asked by
LadyJustice85
433 views
A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at
1 answer
asked by
level crawford
889 views
Let x be a binomial random variable with n = 10 and p = .4 Find the values.
P (x›4) P (x≤4) I could really use some examples
1 answer
asked by
sonney32
725 views
A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given
3 answers
asked by
Mich Mich
1,583 views
In his best year, Mickey Mantles batting average was o.365. In that year, what was the probability that he would get exactly 5
1 answer
asked by
kitkat
371 views
Sixty percent of the students at a particular community college are female.
If 13 students at that community college are selected
4 answers
asked by
tanya
672 views
Police records in the town of Saratoga show that 18 percent of the drivers stopped for speeding have invalid licenses. If 16
2 answers
asked by
Helen
742 views
In a survey of adults throughout the Caribbean, 75% strongly support Caribbean integration.24 adults was selected,throughout the
2 answers
asked by
Esther
541 views
Find the mean and standard deviation for a binomial distribution with these values:
a. n = 1000, p = 0.3 b. n = 400, p = 0.01 c.
1 answer
asked by
Anonymous
405 views
One statistic used to assess professional golfers is driving accuracy, the percent of drives that land in the fairway.
Driving
1 answer
asked by
Natash
1,228 views
The public transport system is aware that one person in twenty does not buy a ticket for their trip. The manager decides to
1 answer
asked by
Anonymous
432 views
The public transport system is aware that one person in twenty does not buy a ticket for their trip. The manager decides to
1 answer
asked by
Anonymous
385 views
if the probability of a swan drowning is .27, find the probability of exactly 4 out of the 7 swans drowning.
1 answer
asked by
Belle
377 views
true or false. In a binomial experiment, the probability of success of each individual trial must be the same.
3 answers
asked anonymously
23 views
Dealing with binomials. P(Possible Prize) = 1/1000 n=52 P(winning)=P(x=1)=
P(x=1)=52! (1!51!) (.(.001)1 (1-0.001)51 Is the answer
1 answer
asked by
Clara
377 views
A safety engineer claims that only 60% of all drivers use seat belts on short
trips. The probability that exactly 2 out of five
1 answer
asked by
Andrey L
497 views
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Parent Categories (28)
Algebra
Combinatorics
Conditional probability
Counting
Counting methods
Data Analysis
Dependence and Independence
Discrete Probability
Discrete Probability Distribution
Discrete Probability Distributions
Distribution of Random Variables
Distributions
Hypothesis Testing
Probability
Probability and Distributions
Probability and Statistics
Probability Calculation
Probability Distribution
Probability distributions
Probability Distributions and Estimation
Probability of Events
Probability Theory
Random Variables
Sampling
Sampling Techniques
Statistics
Statistics or Probability
Types of Distributions