Yuki made brownies, and ate 1/5 of them. James ate another 2/7 of the brownies. a) What is the fraction of the brownies eaten? b
2 answers:
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Answer:
The answer is D.
Step-by-step explanation:
We have to apply Discriminant Law. When a quadratic equation, ax² + bx + c = 0 has equal roots so the discriminant will be 0. Then, you have to substitute the values into the formula :
Answer:
The probability is
Step-by-step explanation:
From the question we are told that
The percentage that are on time is p = 0.76
The sample size is n = 11
Generally the percentage that are not on time is
The probability that no more than 4 of them were on time is mathematically represented as
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