Question

В магазин привезли 400 телевизоров 8 из них оказались браковаными какова вероятность что попадется исправный телевизор Помогите пожалуйста!!!!!

Answer 1

1) Находим кол-во исправных телевизоров:
400 - 8 = 392;
2)Находим вероятность,что попадется исправный телевизор:
392/400 = 0,98 (98%)
Ответ: 0,98.

Answer 2

Calculation of Probability

To calculate the probability of getting an operational television from the 400 units delivered to the store, we need to know the number of non-defective televisions. From the information provided, we know that 8 out of the 400 televisions were defective.

To calculate the probability, we divide the number of non-defective televisions by the total number of televisions:

Probability of getting an operational television = Number of non-defective televisions / Total number of televisions

In this case, the number of non-defective televisions is 400 - 8 = 392.

Therefore, the probability of getting an operational television is:

Probability = 392 / 400

Let's calculate the probability:

Probability = 392 / 400 = 0.98

So, the probability of getting an operational television is 0.98 or 98%.

Please note that this calculation assumes that the defective televisions are randomly distributed among the delivered units and that the probability of each television being defective is the same.