## Are you ready to take your first step toward achieving your goal?

- 10 diagnosis quiz questions
- 10 minutes in duration
- Required to attempt all questions
- A mixture of short answer and multiple-choice questions
- Instant feedback straight after the test

## OK, let’s get started now!

## Are you ready to take your first step toward achieving your goal?

- Ten diagnosis quiz questions
- Ten minutes in duration
- Required to attempt all questions
- A mixture of short-answer and multiple-choice questions
- Instant feedback straight after the quiz

## OK, let’s get started now!

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- Question 1 of 10
##### 1. Question

A six-sided biased die is rolled 20 times and the number appearing uppermost is noted each time. The numbers uppermost on the six-sided die are:

\(4{\rm{ }}1{\rm{ }}6{\rm{ }}3{\rm{ }}5{\rm{ }}1{\rm{ }}4{\rm{ }}6{\rm{ }}3{\rm{ }}2{\rm{ }}5{\rm{ }}1{\rm{ }}6{\rm{ }}5{\rm{ }}2{\rm{ }}4{\rm{ }}2{\rm{ }}3{\rm{ }}5{\rm{ }}2\)

Estimate the experimental probability of rolling a “five” or “six” with this die.

Experimental probability =

CorrectIncorrect##### Hint

\(\text{Experimental probability } = \dfrac{{\text{favourable outcomes }}}{{\text{total number of trials }}}\)

- Question 2 of 10
##### 2. Question

Find the number of elements of the sample space when two dices are rolled.

CorrectIncorrect - Question 3 of 10
##### 3. Question

A box contains 1 black and 8 white balls. Find the probability of getting two same colours if replacement does not occur. Answer to two decimal places.

CorrectIncorrect - Question 4 of 10
##### 4. Question

The probability that a door is unlocked is 0.1. Only one of the five keys will unlock the door she wishes to enter. She only has time to try one key. Find the probability that she will not be able to get into the room.

CorrectIncorrect - Question 5 of 10
##### 5. Question

A fair die is tossed 600 times. How many numbers divisible by 3 are expected?

CorrectIncorrect - Question 6 of 10
##### 6. Question

Nancy and Michael play a game in which the winner is the first to toss ahead with an unbiased coin. Nancy tosses first; Michael has the second and third tosses. If the first three tosses are all tails the game is drawn. Find the probability that Nancy wins and the probability that Michael wins. Is this game for both players?

Pr(Nancy) = , Pr(Michael) , fair / unfair =

CorrectIncorrect - Question 7 of 10
##### 7. Question

Estimate the mean of the data.

\( \begin{array}{|c|c|c|c|c|c|} \hline

Class & 200 \le x \lt 300 & 300 \le x \lt 400 & 400 \le x \lt 500 & 500 \le x \lt 600 & 600 \le x \lt 700 \\ \hline

Frequency (f) & 21 & 23 & 29 & 35 & 17 \\ \hline

\end{array} \)Sum of scores \( = \) \( \times 21 + \) \( \times 23 + \) \( \times 29 + \) \( \times 35 + \) \( \times 17 = \)

Sum of frequencies \( = \) \( + \) \( + \) \( + \) \( + \) \( = \)

Mean \( = \) \( \div \) \( = \)

CorrectIncorrect - Question 8 of 10
##### 8. Question

Describe the relationship between two variables.

CorrectIncorrect - Question 9 of 10
##### 9. Question

Find the median of the scores.

\( \begin{array}{|c|c|} \hline

Score & Frequency \\ \hline

10 & 3 \\ \hline

20 & 8 \\ \hline

30 & 10 \\ \hline

40 & 15 \\ \hline

\end{array} \)There are scores.

So, the median is the th score.

Thus, the median is

CorrectIncorrect - Question 10 of 10
##### 10. Question

If the equation of the line of best fit is \(y = mx + b\), find \(m\) and \(b\).

\(m = \) , \(b = \)

CorrectIncorrect