Answer: Tammy's sample may not be vaild because she surveyed the students only from her class and it is likely that other classes might not like the subject maths. She might get the accurate results by surveying a larger number of people in the school instead of just her class.
B is the answer and why is bc I took the quiz
Answer:
y=2
Step-by-step explanation:
Answer:
The answer to the first question is 625
The answer to the second question is 1
The answer to the third question is 1
You want to find the value of x for which the area under the curve to the left of x is 0.6. One way to do that is to create the cumulative distribution function (CDF) for the given PDF, then see where it is equal to 0.6.
Doing that, we find a = 5.