3 200 students estimate the mass (m grams) of a coin. The cumulative frequency diagram shows the results. 200 180- 160- 140- 120- Cumulative frequency 100- 80- 60 40- 20 6. 10 Mass (grams) T2

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Please solve this question. I have mock exam tmrw 

(a) Find
(1) the median,
Answerfai)
(ii) the upper quartile,
Answer(aXii)
(i) the 80th percentile,
Answer(a (iii)
(iv) the number of students whose estimate is 7g or less.
Answer(aiv)
(b) (i) Use the cumulative frequency diagram to complete the frequency table.
Mass (m grams)
0 < m 2
2<m 4
4< mE 6
6 <ms 8
8< ms 10
Frequency
40
(ii) A student is chosen at random.
The probability that the student estimates that the mass is greater than M grams is 0.3.
Find the value of M.
Answer(b)(ii) M =
Transcribed Image Text:(a) Find (1) the median, Answerfai) (ii) the upper quartile, Answer(aXii) (i) the 80th percentile, Answer(a (iii) (iv) the number of students whose estimate is 7g or less. Answer(aiv) (b) (i) Use the cumulative frequency diagram to complete the frequency table. Mass (m grams) 0 < m 2 2<m 4 4< mE 6 6 <ms 8 8< ms 10 Frequency 40 (ii) A student is chosen at random. The probability that the student estimates that the mass is greater than M grams is 0.3. Find the value of M. Answer(b)(ii) M =
3 200 students estimate the mass (m grams) of a coin.
The cumulative frequency diagram shows the results.
For
Esaminer's
Une
200
180-
160-
140-
120-
Cumulative
frequency
100-
80-
60-
40-
20-
6.
10
Mass (grams)
Transcribed Image Text:3 200 students estimate the mass (m grams) of a coin. The cumulative frequency diagram shows the results. For Esaminer's Une 200 180- 160- 140- 120- Cumulative frequency 100- 80- 60- 40- 20- 6. 10 Mass (grams)
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