الشهادة السىودانية –القسم الانجليزي
IGCSE حلول امتحانات الشهادة السودانية- الشهادة البريطانية
ماجستير فيزياء
تطبيقية
Sudanese certificate
exams:march
Question One:
2-Suppose that the probability that
a man will be a live for 20 years is 4/5 and that his wife will be a live for
20 years is 5/6.
Find the probability that :
(a)Both will be a live for 20
years.
…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
©Neither will be a live for 20
years.
…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
(d)At least one will be a
live for 20 years.
…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
3-In an orchard of apple trees the
crops of individual tree were as follows:
|
Crop Interval (v)
|
1- 5
|
6 -10
|
11 -15
|
16 -20
|
21- 25
|
26-30
|
31-35
|
36-40
|
|
Frequency No of trees
|
2
|
7
|
8
|
18
|
31
|
21
|
10
|
3
|
(i) Use the above table to complete the following :
a).The range of each interval
is……………………………………………
……………………………
b) The interval of the median is
………………………………………………………………………
c) The interval of the mode is
……………………………………………………………………….
d) The mode
=…………………………………………………………………………………………….
(ii) Find the arithmetic mean.
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