a survey asked 50 students if they play an instrument and if they are in band. 25 students play an instrument 20 are in a band a
nd 30 are not in a band. which table shows these data correctly entered in a two way frequency table?
2 answers:
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Answer:
Step-by-step explanation:
Given : The probability of a correct classification of any part is : p=0.96
sample size : n= 3
The formula to find the mean and variance for binomial distribution is given by :-
Let the random variable X denote the number of parts that are correctly classified.
The, for the given situation, we have
Hence, the mean and variance of X are 2.88 and 0.115 respectively.