Zax's sister is 3 years older than him. Their mum's age is twice of Zax's age today. Their mum gave birth to Zax's sister at the
age of 28. How old is this banana?
2 answers:
You might be interested in
Answer: 2718
Step-by-step explanation:
Given: Mean score = 85
Standard deviation = 5
Let x be the score of a random student that follows normal distribution.
Then, the probability that a student scored between 90 and 95 will be
The number of students scored between 90 and 95 = 0.1359 x (Total students)
= 0.1359 (20000)
= 2718
Hence, The number of students scored between 90 and 95 = 2718