Suppose a binomial event has a probability of success of 0.3, and 750 trials are performed. What is the standard deviation of th
e possible outcomes? Round your answer to two decimal places.
A. 16.20
B. 12.55
C. 8.22
D. 10.61
2 answers:
Hello there. Sorry from last time.
What is the standard deviation of the possible outcomes? Roundyour answer to two decimal places.
<span>B.12.55</span>
Answer: B. 12.55
Step-by-step explanation:
Given: In a binomial event , the probability of success = 0.3
i.e. p =0.3
Then, q=1-P=1-03=0.7
The total number of trial performed n= 750
Now, the standard deviation of the proportion is given by :-

Hence, the standard deviation of the possible outcomes = 12.55
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