Answer:
The slope is -2.
Step-by-step explanation:
Slope formula:



Therefore, the slope is -2, and the correct answer is -2.
Hope this helps!
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: (a) 10 (b) 1. 10 2. -10 (c) 1. 10 2. 10
Step-by-step explanation:
Answer:
8.4 , 7.7
Step-by-step explanation:
- 0.7
0.46/1 , 46/100 (both are simple to calculate/find) but theres lots of other fractions, which will not be "simpler" to find
do you not know how to convert a decimal to a fraction?