PLEASE SOLVE THE QUESTION BELOW
1 answer:
Answer:
There are 4 chairs in one row.
Step-by-step explanation:
Let be the number of chairs in one row.
That is the length of one row.
Now, from the given data, three rows of length 3x can be formed with one chair left.
Or, if 15 extra chairs given, we can form 7 rows of the same length.
This means that there are chairs in the first case. And since with 15 extra chairs we can form 7 rows, the equation would be
Solving this for '', we get:
Therefore, the length of each row is four.
That is, there are four chairs in one row.
You might be interested in
Answer:
0.09
Step-by-step explanation:
Given that 50% of this population prefers the color green.
Let p the probability that one person selected from the population prefer the green color of the car. So,
p=0.05
There is only two chance, any person either prefer the green color or not, assuming this holds true for every person, so the mentioned population can be assumed as Bernoulli's population.
By using Bernoulli's theorem, the probability of exactly r success of n randomly selected from the Bernoulli's population is
Here, 15 buyers are randomly selected, so, n= 15 and
So, by using equation (i), the probability that exactly 5 buyers would prefer green out of 15 randomly selected buyers is
=0.0916
Hence, the probability that exactly 5 buyers would prefer green out of 15 randomly selected buyers is 0.09.