Answer: A. z = -2.57
Step-by-step explanation:
Let p be the population proportion of people polled favor the incumbent.
As per given , we have

Sample size : n= 1030
sample proportion : 
Test statistic for proportion : 

Hence, the test statistic is z = -2.57 .
Thus , the correct answer is A. z = -2.57 .
Answer:
90.8 m
Step-by-step explanation:
Pythagorean Theorem
A²+B²=C²
slant height = C
A = 19.6/2=9.8m
90.9 in to m = 2.3m
9.8²+B²=2.3²
B²=90.9²-2.3² = 8257.52
B=
= 90.8
Answer:
200?
Step-by-step explanation:
I did that by multiplying 20 by 10 because I rounded to those numbers.
Jvucupjeghrjtkkffjjrhfb over cztTzvo xis divi. I thrush kB
Answer:
No
Step-by-step explanation:
3/4 of a yard is equal to 6/8 of a yard. If Sally wants 7 ribbons, she needs at least 7/8 yards of ribbon.