124 results authored by Julie Crowley - search across all users.

### Refine by Refine by

• #### Topics

• Matrices
Draft
Exam (5 questions)

Matrix addition, multiplication. Finding inverse. Determinants. Systems of equations.

rebelmaths

• Summation notation 3
Question

Practice use of summation notation for regression question.

rebelmaths

• Question

$X \sim \operatorname{Binomial}(n,p)$. Find $P(X=a)$, $P(X \leq b)$, $E[X],\;\operatorname{Var}(X)$.

rebelmaths

• Poisson (sales)
Question

Application of the Poisson distribution given expected number of events per interval.

Finding probabilities using the Poisson distribution.

rebelmaths

• Question

Given a graph of a line of the form $y=ax+b$ where $a$ and $b$ are integers, find the equation of the line.

• Integration
Draft
Exam (25 questions)

Basic indefinite integrals, Basic definite integrals, integration by substitution

Missing: Area type question, solving diff eq application

• Exam (12 questions)

Differentiation of  polynomials, cos, sin, exp, log functions. Product, quotient and chain rules.

rebelmaths

• Question

rebelmaths

Given a random variable $X$  normally distributed as $\operatorname{N}(m,\sigma^2)$ find probabilities $P(X \gt a),\; a \gt m;\;\;P(X \lt b),\;b \lt m$.

• Exam (5 questions)

First- and second order recurrence equations, homogenous and nonhomogenous

• Question in JP

Find the stationary points of the function: $f(x,y)=a x ^ 3 + b x ^ 2 y + c y ^ 2 x + dy$ by choosing from a list of points.

• Exam (12 questions)

Differentiation of  polynomials, cos, sin, exp, log functions. Product, quotient and chain rules.

Missing: Application with bacteria, turning points, difficult chain rule

• Exam (18 questions)

Transposition of formulae. Changing the subject of an equation.

rebel rebelmaths

• Stem and Leaf plot
Question

Given random set of data (between 13 and 23 numbers all less than 100), find their stem-and-leaf plot.

rebelmaths

• Question

Just showing how to use the stdev function from the stats extension to calculate the standard deviation of a list of numbers.

rebelmaths

• Question

Simple ratio question with custom marking and partial credit possible

• Question

Scores  in 20 games and frequency given -- calculate mean.

rebelmaths

• Question

Scores  in 20 games and frequency given -- calculate mean.

rebelmaths

• Question in MATH6057

Mean, median and mode from a frequency table with classes 1(b)

rebelmaths

• Question in MATH6057

Topics covered are calculating the mean, median, mode and standard deviation.

rebelmaths

• Question

Mean, median and mode from a frequency table with classes 1(b)

rebelmaths

• Question

Calculate the Pearson correlation coefficient on paired data and comment on the significance.

rebelmaths

• Question

Compare two savings accounts with different interest rates.

rebelmaths

• Question

Create a truth table for a logical expression of the form $a \operatorname{op} b$ where $a, \;b$ can be the Boolean variables $p,\;q,\;\neg p,\;\neg q$ and $\operatorname{op}$ one of $\lor,\;\land,\;\to$.

For example $\neg q \to \neg p$.

• Question

Create a truth table for a logical expression of the form $a \operatorname{op} b$ where $a, \;b$ can be the Boolean variables $p,\;q,\;\neg p,\;\neg q$ and $\operatorname{op}$ one of $\lor,\;\land,\;\to$.

For example $\neg q \to \neg p$.

• Question

Create a truth table for a logical expression of the form $a \operatorname{op} b$ where $a, \;b$ can be the Boolean variables $p,\;q,\;\neg p,\;\neg q$ and $\operatorname{op}$ one of $\lor,\;\land,\;\to$.

For example $\neg q \to \neg p$.

• Question

Create a truth table for a logical expression of the form $a \operatorname{op} b$ where $a, \;b$ can be the Boolean variables $p,\;q,\;\neg p,\;\neg q$ and $\operatorname{op}$ one of $\lor,\;\land,\;\to$.

For example $\neg q \to \neg p$.

• Question

Create a truth table for a logical expression of the form $a \operatorname{op} b$ where $a, \;b$ can be the Boolean variables $p,\;q,\;\neg p,\;\neg q$ and $\operatorname{op}$ one of $\lor,\;\land,\;\to$.

For example $\neg q \to \neg p$.

• Question

Students enter equation and turning point

• More transposition