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
Answer:
B
Step-by-step explanation:
there are four girls in total, and Martina is most probably a girl too. only 1 girl out of the four girls will be chosen so probability is 1/4
Answer:
a tub of popcorn is $4 each
Step-by-step explanation:
ticket $5.50
popcorn $4
Answer:
AB = 6.5
Step-by-step explanation:
If you use the distance formula, you can find the answer.
Therefore, the distance between the points A(0, 1) and B(6, 3.5) is 6.5. Hope this helps!
