<span>El 20 por ciento es una quinta parte. 1. 20% es 1/5 Para encontrar el 20% de un número, divida entre 5 (Sugerencia / ahorro de tiempo: o divida por 10 y doble) 40% = 2/5, 60% = 3/5; 80% = 4/5; 100% = 5/5.</span>
Answer:
7.429 cents
Step-by-step explanation:
Given that:
Price change = $1.51 to $2.03
Period of time = 7 years
Therefore, the annual inflation rate :
Difference in price / number of years
($2.03 - $1.51) / 7
$0.52 / 7
= 0.0742857 per year
= 0.0742857 * 100 (about 7.429 cents per year)
Answer:
-3
Step-by-step explanation:
x - 4 = - 7
Carry over the - 4 and make x the subject.
x= - 7 + 4
x= - 3
Therefore x is - 3
<h2>
Answer with explanation:</h2>
Claim : The population variance of these resistors "must not exceed 4" to conform to industry standards.
Then , the set of the hypothesis will be :-
The critical value of chi-square is 16.919 and the observed value is 15.247 .
We know that if the chi-square observed value is less than the chi-square critical value, then we fail to reject the null hypothesis.
Since 15.247<16.919
So , we conclude that we do not reject the null hypothesis.
Hence, we have enough evidence to support the claim that the population variance of these resistors "must not exceed 4" to conform to industry standards.
Answer:
{A and B} = 0.20
{A and not B} = 0.24
{B and not A} = 0.06
{neither A nor B} = 0.50
Step-by-step explanation:
Given the following :
P(A) = 0.44
P(B) = 0.26
P(A or B) = 0.50.
{A and B} = 0.20
{A and not B} = 0.24
{B and not A} = 0.06
{neither A nor B} = 0.50
Kindly check attached picture for detailed explanation