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FY SET1R1 Mathematics (April 2025)
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Borachio works in an automotive tire factory. The number X of sound but blemished tires that he produces on a random day has the probability distribution
2 | 3 | 4 | 5 | |
0.48 | 0.36 | 0.12 | 0.04 |
Compute the mean and standard deviation of X.
Borachio works in an automotive tire factory. The number X of sound but blemished tires that he produces on a random day has the probability distribution
2 | 3 | 4 | 5 | |
0.48 | 0.36 | 0.12 | 0.04 |
Find the probability that Borachio will produce at most two blemished tires tomorrow.
Borachio works in an automotive tire factory. The number X of sound but blemished tires that he produces on a random day has the probability distribution
|
2
|
3
|
4
|
5
|
|
0.48
|
0.36
|
0.12
|
0.04
|
Find the probability that Borachio will produce more than three blemished tires tomorrow.
Applicants for an assembly job are required to take a test of manual dexterity. The times, in seconds, taken to complete the task by 17 applicants were as follows: 63, 77, 49, 74, 67, 59, 66, 102, 81, 72, 59, 74, 61, 82, 48, 70, 86.
In above test, the third quartile is …
Applicants for an assembly job are required to take a test of manual dexterity. The times, in seconds, taken to complete the task by 17 applicants were as follows: 63, 77, 49, 74, 67, 59, 66, 102, 81, 72, 59, 74, 61, 82, 48, 70, 86. The first quartile is …......
The following table shows data about the time taken, in seconds to the nearest second, for completing each one of a series of 75 similar chemical experiments. The meantime of the given data(2D) is
Time
|
Number of experiments
|
50-60
|
4
|
61-65
|
13
|
66-70
|
26
|
71-75
|
22
|
76-86
|
10
|
Total
|
75
|
An unbiased coin is tossed 3 times, if the third toss gets head what is the probability of getting at least one more head?
In an African country, license plate consists of a letter other than I or O followed by 3 digits, the first of which cannot be zero, followed by any two letters which are not repeated. How many different cars license plates can be produced?
A bag contains 6 red, 4 white and 8 blue balls. If three balls are drawn at random, find the probability that one is red and two are white.
On a certain examination, the student must answer 8 out of the 12 questions, including exactly 5 of the first 6. In how many ways may he write the examination?