<span>B. The sample might not be representative of the population because it only includes students who are attending an after-school activity.</span>
Answer:
x=-1
Step-by-step explanation:
Answer:
10,000 + 7,000 + 500 + 70 +4
Step-by-step explanation:
Answer:
Step-by-step explanation:
a1 = 51 + (1 -1 ) * 0.8
a1 = 51
a2 = 51 + (2 - 1)*0.8
a2 = 51 + 0.8
a2 = 51.8
a3 = 51 + (3 - 1)*0.8
a3 = 51 + 2*0.8
a3 = 51 + 1.6
a3 = 52.6
a4 = 51 + (4 - 1)*0.8
a4 = 51 + 2.4
a4 = 53.4
