20. Suppose a 90% confidence interval is stated as (0.3011, 0.4189). What is the sample proportion from this sample? 0.35 0.38 0.26 0.36 O O O

Calculate the number of 2" x 2" tiles that it would take to cover the floor.

Please write the steps of this question and circle the answer so that I can understand. Please write the answer in an organized way if possible so that I can understand and identify the numbers. For each step, please specify which answer corresponds to which step. I appreciate your understanding. This question has several steps and I have sent you both pages. Please, if possible, write the step by step and circle the answer so that I don't get lost. Please tell me what the answer to each question is about.

please could you solve the questions  are highlighted with yellow color. please show all work.

I need help and answer key for 14 and 15

EXAMPLE 2b A coin is flipped twice. Assuming that all four points in the sample space S = {(h, h), (h, t), (t, h), (t,t)} are equally likely, what is the conditional probability that both flips land on heads, given that (a) the first flip lands on heads? (b) at least one flip lands on heads?

Please finish the entire question; it has multiple parts.

A student needs to answer 20 out of 30 questions on a test. Find the number of ways the student can choose if the student must answer the first 8 questions on the test.

I only need the answer for the one marked in yellow, what did I do wrong and what is the correct answer? Thank you.

A submarine was approximately 625 feet below sea level . If it descends another 250 feet , what is its new position ? wrtie your answer as a integer .