Answer:
the answer is 5/12
Step-by-step explanation:
1/4÷3/5
=1/4×5/3
=5/12
=2 2/5 (5×2+2/5)
Answer:
63 people
Step-by-step explanation:
Given parameters:
Number of students survey = 32
Number of those that liked ice-cream = 8
Total population size = 252
Unknown:
How many people in the population should prefer ice cream = ?
Solution:
From the survey;
8 out of 32 students prefer ice cream;
8 : 32
1: 4
This shows that 1 out of 4 students will prefer ice cream
NOw to the total population;
If out of 4 students, 1 prefers ice-cream;
Out of 252 students y will prefer ice-cream
Number of students that prefers ice-cream = = 63people
Answer:
option d is correct
Step-by-step explanation:
hope this helped
Answer:
The confidence interval is
Step-by-step explanation:
From the question we are told
The sample proportion
The margin of error is
The confidence interval for p is mathematically represented as
=>
=>