List price List price: Divide 7434 items between four people, A,B,C and D in the proportions: 3:6:8:4. How many items do B and D
2 answers:
Answer: B get = 2124 items and D get = 1416 items
Step-by-step explanation:
Total number of items = 7434
Dividing ratio between A, B, C and D = 3:6:8:4
∴ the items divided in this ration are as follows:
=
Hence,
A get = 1062 items
B get = 2124 items
C get = 2832 items
D get = 1416 items
So, B get 2124 items and D get 1416 items out of the 7434 items.
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Answer:
p = 8
Step-by-step explanation:
Let one root of the eqn. be alpha . Other root is 1/alpha .
We know that product of both roots of an quadratic eqn. is c/a where "c" is the co-efficient of the constant & "a" is the co-efficient of x^2.
Here "c" is p-4 & "a" is 4. And the product of roots is 1 ( ∵ prdouct of a number and its reciprocal is 1 )
The second option is the correct answer
The expression given to us is:
Herein, we can simplify it by opening up the bracket and multiplying each term inside the bracket by the term which is outside the bracket.
Thus, we get:
Rearranging the above expression in descending order of power we get:
From the given options we can see this is the second option. Hence the second option is the correct answer.
Learn more about equation here brainly.com/question/14180340
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Answer:
it cannot be considered unusual if there was 1 telephone user in this sample without a landline
Step-by-step explanation:
Given that a recent survey found that 30% of telephone users have switched completely to cell phone use (i.e. they do not have landlines in their homes)
Each telephone user is independent of the other and hence prob for switching to cell phone has constant probability 0.30
X the no of customers who switch to cell phones from the sample of 10 is
Binomial with n =10 and p = 0.30
Prob (x=1) = Prob there was 1 telephone user in this sample without a landline
=
This is not very near to 0.
Hence this is not a rare event.
So it cannot be considered unusual if there was 1 telephone user in this sample without a landline