Pre-Calculus

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In an experiment, we flip a biased coin 100 times. The
In an experiment, we flip a biased coin 100 times. The probability, that we get a head is p=0.2. Let X be the random variable that counts the number of heads in this experiment. Let Y be a random vari… read more
akch2002
Master's Degree
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The random variable X has a binomial distribution with
Second opinion] The random variable X has a binomial distribution with parameters n and p.It is given that E(X) = 3.5.a. [2 mark]Find the least possible value of n.It is further given that P(X ≤ 1) = … read more
Tom Piscaer
Engineer
Master's Degree
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A jar contains 5 red discs, 10 blue discs and m discs. A
A jar contains 5 red discs, 10 blue discs and m green discs. A disc is selected at random and replaced. This process is performed four times. a. [1 mark] Write down the probability that the first disc… read more
Sandhya_sharma
Master's Degree
Master's Degree
10,714 satisfied customers
The random variable X has a binomial distribution with
The random variable X has a binomial distribution with parameters n and p.It is given that E(X) = 3.5.a. [2 mark]Find the least possible value of n.It is further given that P(X ≤ 1) = 0.09478 correct … read more
R.R. Jha
Bachelor's Degree
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Can you please explain the Binomial Theorem formula please?The page I'm learning it off has confused me. Is there a different formula to find a) the coefficient and b) the exponents? Or does one formu… read more
R.R. Jha
Bachelor's Degree
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YOu gave me this answer yesterday and I had a few questions
Good Morning. YOu gave me this answer yesterday and I had a few questions about the answer. Lamaj rode his bike over a piece of gum. Lamaj continued riding his bike at a constant rate. At time t=1.25 … read more
akch2002
Master's Degree
2,833 satisfied customers
Find the probability of successes in six trials of a
find the probability of successes in six trials of a binomial experiment in which the probability of success is 30%. round to the nearest tenth of a percentcan u show the formula and work too… read more
GLENN GILONGOS
Master of Mathematics
637 satisfied customers
1. A credit card company decides to study the frequency with
1. A credit card company decides to study the frequency with which its cardholders charge for items from a certain chain of retail stores. The data values collected in the study appear to be normally … read more
Ryan
Bachelor's Degree
4,665 satisfied customers
hi do you still have the answers to the these questions Assume
hi do you still have the answers to the these questions Assume the following data were gathered by a manufacturer of a robotics component, in units of days of continuous use until the component fails.… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Assume the following data were gathered by a manufacturer of
Assume the following data were gathered by a manufacturer of a robotics component, in units of days of continuous use until the component fails. There are 60 measurements in this data set. Show a hist… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
A cooler at a picnic contains 100 cans of soda covered by ice.
A cooler at a picnic contains 100 cans of soda covered by ice. There are 28 cans of cola, 46 cans of orange soda, 14 cans of ginger ale, and 12 cans of root beer. The cans are all the same size and sh… read more
Osbert12
Master's Degree
2,468 satisfied customers
20% of children in village V have low levels of Vit. C(LC).
20% of children in village V have low levels of Vit. C(LC). It has been found that 50% of children in V with LC are poor while 10% of children without LC are poor. Bill is a randomly chosen child from… read more
Math-John
30 satisfied customers
RRjha Assume that 2 fair 6 sided dice are rolled determine
RRjha Assume that 2 fair 6 sided dice are rolled determine the probability of rolling the following A. P(3) B P(5) 3 couples arrange themselves randomly in 6 consecutive seats in a row find these prob… read more
R.R. Jha
Bachelor's Degree
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RRjha For the experiment of rolling 2 tetrahedral (4 sided)
RRjha For the experiment of rolling 2 tetrahedral (4 sided) dice and noting the sum of the pips, find these probabilities A. P(even or multiple of 3) B. P(less than 3 or a multiple of 2) 100 students … read more
R.R. Jha
Bachelor's Degree
6,465 satisfied customers
Thanks for the heads up I am actually REALLY going to need
Thanks for the heads up I am actually REALLY going to need your help I will post the questions early on the week thanks!!!!… read more
Scott
Master's Degree
16,043 satisfied customers
1. A company has 2 machines that produce widgets. An older
1. A company has 2 machines that produce widgets. An older machine produces 23% defective widgets, while the new machine produces only 8% defective widgets. In addition, the new machine produces 3 tim… read more
R.R. Jha
Bachelor's Degree
6,465 satisfied customers
The sample space of the toss of a fair die is: S = {1, 2,
The sample space of the toss of a fair die is: S = {1, 2, 3, 4, 5, 6} If the die is balanced, each simple random event has the same probability. Find the probability of the following events: a) An eve… read more
Ryan
Bachelor's Degree
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Dr. Dan
Doctoral Degree
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