## Q-QUIZ AUGUST 2019

### A challenge in terms of statistics and probability to all grill masters

August is barbecue season. Our current Q-QUIZ poses a challenge in terms of statistics and probability to all grill masters (source: Statista).

2015 - 13.8 No. in m

2016 - 14.3 No. in m

2017 - 14.4 No. in m

2018 - 13.0 No. in m

1) What is the range of the number of Germans having a barbecue at least once a month?

- 0.8 millions
- 1.4 millions
- 13.875 millions

2) What is the median of all kings of the grill from 2015 to 2018?

- 13.8 millions
- 14.05 millions
- 14.3 millions

3) 67% of all Germans prefer a charcoal grill, 19% use an electric grill and 11% a gas barbecue. How many people – rounded to the nearest million – used a charcoal grill in 2017?

- 10 millions
- 11 millions
- 12 millions

4) Before having a barbecue, you have to buy the food to be grilled. In order to withdraw the money you need at a cashpoint, you have to enter a four-digit PIN. Assuming that person X left his debit card in the ATM machine, what is the probability that the person finding his card immediately guesses the correct numeric password?

- 1%
- 0.1%
- 0.01%

5) Assuming that the person finding the card tries to enter the number three times in a row, what is the probability that all three PINs are incorrect so that the ATM machine keeps the card?

- 98.44 %
- 96.29 %
- 99.97 %

6) After everything finally went well, there are 5 sausages, 2 steaks and 3 pork skewers on the grill. What is the probability that the host – without asking – puts a steak on your plate?

- 50%
- 20%
- 30%

7) There is a raffle right after the barbecue. Your host passes around two containers of tickets. 10% of the tickets in the first container are winning ones whereas 85% of the tickets in the second container are blank ones. What is the probability that you obtain a winning ticket from both containers?

- 1.5%
- 2.5%
- 15%

Our Q-QUIZ is published once a month. You can find the answer to all questions of the current quiz online with the release of the next quiz.