Probability & Statistics

Question 1

I've 3 cards. The mean of the cards=6. 1st card is a 3. 2nd card is a 9. What is the 3rd card?

Accepted Answer

6

Question 2

I collected categorical data (ages, race, gender). What way would I represent it graphically?

Accepted Answer

Bar chart, Histogram

Question 3

How likely is it that you will all spend 5 hours learning everyday in school?

Accepted Answer

Likely

Question 4

If a dice is loaded on the number 1, which number is most likely to appear after you throw it?

Accepted Answer

6

Question 5

If you have a standard deck of cards, what's the odds of picking a King at random?

Accepted Answer

4/52

Question 6

A spinner has 4 colours, but it is split into 8. Find the probability of landing on a colour.

Accepted Answer

1/4

Question 7

20 marbles in a bag; 2 blue, 2 black, 6 red, 5 green, 5 yellow. What is the (P) of getting red?

Accepted Answer

3/10

Question 8

What did I spend on average per shop if I spent €56 in one, €74 in another and €103 in another?

Accepted Answer

€78

Question 9

In a survey you asked ages, gender and height of participants. What data did you collect?

Accepted Answer

Discrete and continuous

Question 10

If a month is picked at random, whats the probability it will begin with the letter "J"?

Accepted Answer

1/4

Question 11

If a graphs axis starts at a number other than 0, it is misleading

Accepted Answer

True

Question 12

I roll a dice 4 times. Whats the probability of landing on a 4 each time?

Accepted Answer

1/256

Questions 12