Aof Panel

Soru 1

According to classical probability, when rolling a fair dice, what is the probability of obtaining the number 5?

Soru 2

According to classical probability, when a fair dice is rolled, what is the probability of obtaining a number more than 4?

Soru 3

Which probability approach uses the relative frequencies to assign the probabilities to the events?

Soru 4

According to classical probability approach, what is the probability of obtaining a number 6 when you throw a six-sided fair die?

Soru 5

According to empirical probability, which of the following statements is not true?

Soru 6

In how many different ways can the letters in U-S-U-A-L-L-Y be arranged?

Soru 7

A manager in a company has two assistant directors. The probability that the older assistant director comes late to work on a given day is 0.07, whereas for the younger assistant director this probability is 0.05. In addition, the probability that both assistant directors come late to work on given day is 0.03. What is the probability that on a given day one or both assistant directors come late to work?

Soru 8

A shop selling mobile phones has purchased four new mobile phones of the same brand and model. It is known that a mobile phone of this brand and model works without any problem for at least 2 years with probability 0.95. What is the probability that all three mobile phones will work without any problem for at least 2 years?

Soru 9

A manager of a café in a university campus assesses its customers as student, academic staff or visitor. She estimates that of all its customers 50% are students, 30% are academic staff and that 20% are visitors. It is known that purchases are made by 70% of student customers, by 60% of academic staff and by 30% of visitors. If a randomly chosen customer makes a purchase, what is the probability that this customer is a student?

Soru 10

What is the probability of obtaining a number more than 3 if we throw a six-sided fair dice?

Soru 11

A six-sided fair dice has been thrown 1000 times and the occurrence of number 2 is 156. What is the empirical probability of obtaining a number 2 when you throw a six-sided fair dice?

Soru 12

In ___________ approach, the researcher assigns a suitable value as the probability of the event.

Which of the following fills the blank correctly?

Soru 13

If there are 20 different departments and 5 different elective courses, in how many different ways can a student be classified?

Soru 14

In how many different ways can the letters in T H A N K S be arranged?

Soru 15

A company works with two supplier firms for the same raw material. The first firm's late delivery probability on a given day is 0.05, whereas for the second firm this probability is 0.07. In addition, both firms' late delivery probability on given day is 0.04. What is the late delivery probability of at least one of the firms to company on given day?

Soru 16

At a local district, there are three different pizza restaurants denoted here by A, B, and C. It is known that 40% of all customers give an order from company A, whereas 35% give an order from company B, and 25% give an order from company C. It is also known that 10% of the motorcycles from company A, 20% of the motorcycles from company B, and 5% of the motorcycles from company C need to a checkup before the next pizza delivery. What is the probability that a motorcycle returned to the restaurant needs a checkup before the next pizza delivery?

Soru 17

At a local district, there are three different pizza restaurants denoted here by A, B, and C. It is known that 40% of all customers give an order from company A, whereas 35% give an order from company B, and 25% give an order from company C. It is also known that 10% of the motorcycles from company A, 20% of the motorcycles from company B, and 5% of the motorcycles from company C need to a checkup before the next pizza delivery. If a motorcycle returned to the company needs a checkup before the next pizza delivery, what is the probability that this motorcycle was owned by company B?

Soru 18

At a local district, there are three different pizza restaurants denoted here by A, B, and C. It is known that 40% of all customers give an order from company A, whereas 35% give an order from company B, and 25% give an order from company C. It is also known that 10% of the motorcycles from company A, 20% of the motorcycles from company B, and 5% of the motorcycles from company C need to a checkup before the next pizza delivery. If a motorcycle returned to the company needs a checkup before the next pizza delivery, what is the probability that this motorcycle was owned by company A?

Soru 19

A six-sided fair dice has been thrown 3000 times and the occurrence of number 4 is 450. What is the empirical probability of obtaining a number 4 when you throw a six-sided fair dice?

Soru 20

Consider the random experiment of tossing a fair coin until a tail (T) and a head (H) show up once. Describe the sample space of this random experiment ?

İSTATİSTİK I - Deneme Sınavı - 8