0.25 is the probability that you would select a score between 300 and 700. I used the empirical rule when i solved this.
Step-by-step explanation:
2. answer is RS 150
follow unitary method
Answer:
C.It is a one-tailed test since the alternative hypothesis states that the parameter is greater than the hypothesized value.
Step-by-step explanation:
Let p be the percentage of students enrolled in an introductory Chemistry class dropped before the midterm. Then null and alternative hypotheses are:
: p=10%
: p>10%
The alternative hypothesis states that the parameter is greater than the hypothesized value.