Value for m: 10m=10-5(m-7
2 answers:
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Answer:
The probability is 0.000495
Step-by-step explanation:
As per the question:
Total no. of cards in a deck = 52
No. of spades in a deck = 13
Now, we have to select 5 cards in a deck such that they belong to the same suit, i.e., spades.
The no. of ways of selecting 5 cards from a deck =
The no. of ways of selecting 5 cards from 13 spade cards =
Now,
Probability that the selected 5 cards are all spades, P(E) =
P(E) =
P(E) =
P(E) =
P(E) =
Answer:
3 machine
Step-by-step explanation:
It is given that 6 machine each working at the same rate can complete the work in 12 days
We the has to complete in 8 days
Let we need x extra machine to complete the work in 8 days
So total number of machines =x+6
Now according to man work day equation
x=3 machine