Step-by-step explanation:
60% of 25 :
100% = 25
1% = 25/100
= 0.25
60% = 0.25 x 60
= 15
So 15 pupils are in band.
Answer:
420 minutes
Step-by-step explanation:
7:30am to 2:30pm
=7:30to 14:30
=14.30-7.30=
7hours
in minutes;
7×60
= 420minutes
like and Mark as brainliest
Answer:
48000
Step-by-step explanation:
12000 students
4%
1 =annually
12×4×1= 48000
Step-by-step explanation:
Given
A proportional relation is given between minutes spend in reading and no of pages
Suppose we choose the point
, It shows that 2 minutes is taken to read three pages.
Similarly, for point
, It shows four minutes is taken to read 6 pages.
In this way, 6 minutes is taken for 12 pages.
<u>(a) Construct a 95% confidence interval for the difference between the average number of intrusion attempts per day before and after the change of firewall setting (assume equal variance)</u>