Answer:
No, Mr. Hernandez’s sample is random, not biased, large enough compared to the population, but 28 is not 20% of 90.
Step-by-step explanation:
At Lawson Middle School, Mr. Hernandez asked 90 randomly selected students from each grade level for their favorite subject.
90 randomly selected students from each grade level for their favorite subject, and 28 chose social studies as their favorite.
so, the percent of students who love social studies is given by:
28/90 x 100=31.11%
He used this data to draw the inference that out of the 250 middle school students, about 20% prefer social studies.
No, Mr. Hernandez’s sample is random, not biased, large enough compared to the population, but 28 is not 20% of 90.
Answer:
3 games each
Step-by-step explanation:
because $0.75 is 3 times $0.25
Marcel: 0 plays= $8.25, 1 play=$8, 2 plays= $7.75, 3 plays= $7.5
Floyd : 0 plays= $9.75 1 play =$9.00 , 2 plays= $8.25, 3 plays = $7.5
not sure if this is the answer ???
Answer:
$50.1
Step-by-step explanation:
If you plug 40 in for x in the equation y=0.94x+12.5 then you should get 50.1 for y.
Answer:
He put $1,183 for the computer
Step-by-step explanation:
first you have to multiply 16.25 time 13 and then multiply that with 14 since there is 14 days in two weeks. And then that with .4.
And you'll get 1,183