12.
1 answer:
You might be interested in
Answer:
Hence the pricing for each product will be taronges with 2 euros and mandarins with 2.5 euros.
Step-by-step explanation:
Given:
2 kg of taronges and 3 kg mandarins cost 11.5 euros
3kg taronges and 2 kg mandarins cost 11 euros
To Find:
Price for each product
Solution:
<em>Consider </em>
<em>Taronges =x euros</em>
<em>Mandarins=y euros</em>
So by given condition,
....................equation(1)
and ...........equation (2)
So , using substitution method,
.......equation (3)
Using above value in equation(1) we get ,
)
y=2.5 euros
Using above value in equation(3) we get ,
x=2 euros
Answer:
The width is
Step-by-step explanation:
From the question we are told that
The population standard deviation is
The sample size is
The sample mean is
Given that the confidence level is 99% then the level of significance is mathematically represented as
=>
=>
Next we obtain the critical value of from the normal distribution table, the value is
Generally margin of error is mathematically represented as
substituting values
The width of the 99% confidence interval is mathematically evaluated as
substituting values