602 results for "calculate".
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Question in Content created by Newcastle University
Given a random variable $X$ normally distributed as $\operatorname{N}(m,\sigma^2)$ find probabilities $P(X \gt a),\; a \gt m;\;\;P(X \lt b),\;b \lt m$.
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Question in Content created by Newcastle University
Simple probability question. Counting number of occurences of an event in a sample space with given size and finding the probability of the event.
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Question in Content created by Newcastle University
Given a table of the number of days in which sales were between £x1000 and £(x+1)1000 find the relative percentage frequencies of these volume of sales.
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Question in Content created by Newcastle University
Given sample data find mean, standard deviation, median, interquartile range,
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Question in Content created by Newcastle University
Exercise using a given uniform distribution $Y$, calculating the expectation and variance as well as asking for the CDF. Also finding $P(Y \le a)$ and $P( b \lt Y \lt c)$ for a given values $a,\;b,\;c$.
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Question in Content created by Newcastle University
Given a random variable $X$ normally distributed as $\operatorname{N}(m,\sigma^2)$ find probabilities $P(X \gt a),\; a \gt m;\;\;P(X \lt b),\;b \lt m$.
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Question in Content created by Newcastle University
Example showing how to calculate the probability of A or B using the law $p(A \;\textrm{or}\; B)=p(A)+p(B)-p(A\;\textrm{and}\;B)$.
Also converting percentages to probabilities.
Easily adapted to other applications.
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Question in Content created by Newcastle University
Find (hyperbolic substitution):
$\displaystyle \int_{b}^{2b} \left(\frac{1}{\sqrt{a^2x^2-b^2}}\right)\;dx$ -
Question in Content created by Newcastle University
Calculate definite integrals: $\int_0^\infty\;e^{-ax}\,dx$, $\int_1^2\;\frac{1}{x^{b}}\,dx$, $\; \int_0^{\pi}\;\cos\left(\frac{x}{2n}\right)\,dx$
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Question in Content created by Newcastle University
Given constant demand for a product, calculate the economic order quantity, and the minimum cost per year.
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Question in Content created by Newcastle University
Given constant demand for a product, with a single break point on the price, calculate the economic order quantity, and the minimum cost per year.
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Question in Content created by Newcastle University
Calculating simple probabilities using the exponential distribution.
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Question in Content created by Newcastle University
$X \sim \operatorname{Binomial}(n,p)$. Find $P(X=a)$, $P(X \leq b)$, $E[X],\;\operatorname{Var}(X)$.
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Question in Content created by Newcastle University
$W \sim \operatorname{Geometric}(p)$. Find $P(W=a)$, $P(b \le W \le c)$, $E[W]$, $\operatorname{Var}(W)$.
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Question in Content created by Newcastle University
$Y \sim \operatorname{Poisson}(p)$. Find $P(Y=a)$, $P(Y \gt b)$, $E[Y],\;\operatorname{Var}(Y)$.
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Question in Content created by Newcastle University
Calculate the Pearson correlation coefficient on paired data and comment on the significance.
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Question in Content created by Newcastle University
Calculate the Pearson correlation coefficient on paired data and comment on the significance.
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Question in Content created by Newcastle University
Spearman rank correlation calculated. 10 paired observations.
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Question in Content created by Newcastle University
Spearman rank correlation calculated. 8 paired observations.
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Question in Content created by Newcastle University
Calculate the principal value of a complex number.
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Question in Content created by Newcastle University
Topics covered are calculating the mean, median, mode, range, and standard deviation.
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Question in Content created by Newcastle University
Application of the binomial distribution given probabilities of success of an event.
Finding probabilities using the binomial distribution.
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Question in Content created by Newcastle University
Given a random variable $X$ normally distributed as $\operatorname{N}(m,\sigma^2)$ find probabilities $P(X \gt a),\; a \gt m;\;\;P(X \lt b),\;b \lt m$.
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Question in Transition to university
Given two distributions, calculate the measures of average and spread and make some decisions based on the results.
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Question in Transition to university
Calculate outcomes for different configurations of rolling two dice.
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Question in Transition to university
Calculate a speed in m/s given distance and time taken, then convert that to km/hour
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Question in Transition to university
A graph shows both the speed and acceleration of a car. Identify which line corresponds to which measurement, and calculate the acceleration during a portion of time.
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Question in Transition to university
Calculate the interest accrued in a savings account, given the initial balance and annual interest rate.
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Question in Transition to university
Calculate relative frequencies in a variety of scenarios.
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Question in Transition to university
The amount of money a person gets on their birthday follows an arithmetic sequence.
Calculate the amount on a given birthday, then calculate the sum up to that point.