Answer:
Step-by-step explanation:
25%=40
25x4=100%
40x4=160 students
Answer:
The option u chose is the correct one
Answer:
c. one-tailed test, with rejection region in the upper tail.
Step-by-step explanation:
One tailed test is statistical test in which critical area of distribution is one sided and greater or less than certain value. One tailed test can be left or right sided depending on the population distribution. Rejection region of the one tailed test will determine whether to accept or reject the null hypothesis.
Answer:
c
Step-by-step explanation:
28+35+21+12=96
