Is 5.75 irrational or rational
2 answers:
Answer:
Rational number
Step-by-step explanation:
We are given that a number 5.75
We have to find that given number is rational or irrational
Rational number : It is that number which can be written as
Where q is not equal to zero and p, q are integers.
Irrational number : It is that number which is not rational .If a number is not rational then the number is called irrational number .
When we remove decimal then we write 100 in the denominator because there are two digits after decimal.
The given number is of the from and 23 and 4 are both integers.
Hence, the number is rational number .
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Answer:
c. 2
Step-by-step explanation:
Given : X = No. of hours worked
No. of people work for the manager = 50
X = 3, 4 , 5 , 6 , 7, 8
P(X) = 0.1 , ? , 0.14 , 0.3 , 0.36 , 0.06
To Find : No. of people work for four hours
Solution : First understand the fact that sum of all probabilities is equal to 1
So, sum of all values of P(X) = 1
⇒
⇒
⇒
⇒
So, the probability of no. of people worked for 4 hours is 0.04.
⇒P(4)=0.04
Thus , To calculate no. of people work for four hours :
⇒ 2 no. of people work for four hours per shift .