#### Clinic waiting room

In a clinic the probability for a patient to wait less than 10 minutes before entering for a visit is 0.8. What is the probability for a patient, who goes 2 times to the clinic, to wait, at least 1 time, less than 10 minutes.

# Multi-stage random experiments

Training
7

#### Derivative of a Function

In the picture you can see the function $f(x)=-x^2+2$. Think about the derivative and imagine drawing it. What is true?

# Derivation of functions

Training
11

#### Logarithm Properties: The product rule

Wich of the following expressions is equal to $\log_b(x \cdot y)$?

# Logarithm properties

Learning
10

#### Calculating with the Derivative of e

Calculate the derivative for $f(x)=3e^x$ and $g(x)=e^{x^2}$ and give the answer for $f'(2)$ and $g'(2)$. Round to three decimal places.

# Derivation of functions

Training
11

#### Velocity of a Stone

The velocity of a stone sinking in a lake is given by $$v(t)=2.5\cdot(1-e^{-0.1\cdot t})$$ with $t$ in seconds and $v(t)$ in $\frac{m}{s}$. How fast is the stone sinking at the beginning? How fast after ten seconds? Round to three decimal places, if needed.

# Exponential function

Modeling
11

#### Frequencies

In the table above you can see the basketball results of the four children- namely Lena, Angeló, Marie and Juan. Which of them has the best scoring rate and it’s therefore the best player of the game? Tick the right name!

# Equations & Inequations

Training
6