The upper quartile of the distribution is
30
27.5
25
17.75
Correct answer is D
No explanation has been provided for this answer.
The range of the distribution is
50
30
25
15
Correct answer is C
No explanation has been provided for this answer.
The median of the distribution is
25
17.5
15
12.5
Correct answer is C
No explanation has been provided for this answer.
\(\frac{1}{4}\)
\(\frac{3}{11}\)
\(\frac{1}{2}\)
\(\frac{3}{4}\)
Correct answer is A
Y = {18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29}
Number of prime numbers = 3
Prob(picking a prime number) = \(\frac{3}{12}\)
= \(\frac{1}{4}\)
3.5cm
5cm
7cm
9cm
Correct answer is D
From \(V = \frac{1}{3}\pi r^2 h. \hspace{1mm} r =\frac{14}{2}\\
462 = \frac{1}{3} \times \frac{22}{7} \times 7^2 \times h \\
h = \frac{3 \times 462}{22 \times 7}\\ h = 9\)
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