At lawson middle school, mr. hernandez asked 90 randomly selected students from each grade level for their favorite subject, and 28 chose social studies as their favorite. he used this data to draw the inference that out of the 250 middle school students, about 20% prefer social studies. did he make a reasonable inference? yes, mr. hernandez’s sample is random, not biased, large enough compared to the population, and 28 is 20% of 250. yes, mr. hernandez’s sample is random, not biased, large enough compared to the population, and 28 is 20% of 90. no, mr. hernandez’s sample is random, not biased, large enough compared to the population, but 28 is not 20% of 90. no, mr. hernandez’s sample is not large enough compared to the population.

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.

so, the percent of students who love social studies is given by:

No, Mr. Hernandez’s sample is random, not biased, large enough compared to the population, but 28 is not 20% of 90.

d.) 48 units

step-by-step explanation:

mariah is studying the life cycle of the monarch butterfly. she must choose one stage in the cycle to present in science class: egg, caterpillar, chrysalis, or adult. she plans to make her choice randomly using a custom spinner divided into four sections. first, however, she spins the spinner 50 times to see the frequencies it generates.

stage times landed on

egg 10

caterpillar 12

chrysalis 15

adult 13

step-by-step explanation: