Answer:
0.625± 1.645*0.0571
Step-by-step explanation:
First calculate the estimate as 72 petty cases and 45 are unsolved as follows :
estimate :72/45=0.625
the critical value is given by cumulative probability equal to the p* (critical probability) as ,
1)compute value for alpha =1-(confidence value /100).
=1-(90/100)=0.1
for critical probability as p*=1 - (alpha/2)=1 -(0.1/2)=0.95
for this critical value is denoted to central area ,
Z(alpha)=1.645
now the standard error :
s=
here p is estimate and q is probability of failure and n is total no of cases
s=
=0.0571.
180 divided by 3 = 60
60 x 5 = 300
she can type 300 words in 5 minutes
Answer:
Part A is 5/6 of the whole
Part B is 1/6 of the whole
Solution:
Assuming there are no other parts,
the Whole = A + B is the denominator:
Whole = 15 + 3 = 18
Part A = 15 and Part B = 3 are numerators for each fraction.
The fractions are then:
15/18 and 3/18
Meaning:
Part A is 15/18 of the whole
Part B is 3/18 of the whole
Reducing the fractions, it is also true that:
Part A = 5/6 of the whole
Part B = 1/6 of the whole
Answer:40
Step-by-step explanation:6/30
6x30=180
6x6=36
4/6=20
4+36=40
