Answer:
260 is the minimum score.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 200
Standard Deviation, σ = 24
We are given that the distribution of test score is a bell shaped distribution that is a normal distribution.
Least marks required for admission in boarding school is 2.5 standard deviations above the mean.
Thus, we can calculate the minimum score as:

Thus, 260 is the minimum score that an applicant must make on the test to be accepted.
Answer:
1, 4/5,2/5
Step-by-step explanation:
y = 5x
Let y = 5
5 = 5x
Divide by 5
5/5 =5x/5
1=x
Let y=4
4 =5x
Divide by 5
4/5 =5x/5
4/5 =x
Let y=2
2 =5x
Divide by 5
2/5 =5x/5
2/5 =x
Answer:
x ≤ 30
Step-by-step explanation:
'at most' means the same as 'less than or equal to'.
The sign 'for less than or equal' to is ≤.
So it's simply x ≤ 30.
0.55n would be the answer youre looking for. Hope this helped