In a group of 24 pupils, 13 play the flute only. 2 play the piano only. 1 plays both instruments. A student is chosen at random. What is the probability the student plays neither instrument?

The probability the student plays neither instrument is 33.3%

Step-by-step explanation:

Probability is the greater or lesser possibility of a certain event occurring. In other words, probability establishes a relationship between the number of favorable events and the total number of possible events. Then, the probability of any event A is defined as the quotient between the number of favorable cases (number of cases in which event A may or may not occur) and the total number of possible cases.  

The total number of pupils who play at least one instrument is:

13 + 2 + 1 = 16

The means there are 24 - 16 = 8 pupils who play neither of the instruments.

So you know:

Replacing in the definition:

P(A)= 0.333= 33.3%

The probability the student plays neither instrument is 33.3%

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

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step-by-step explanation: