Answer to Question #349574 in Statistics and Probability for Alfred

Question

1. The average time spent of STEM students in answering their module is 5 hours daily. Illustrate the null and alternative hypotheses. Express your answer in symbols.

2. Mrs. Serrano the canteen manager in PSNHS claims that the average capacity of their bottled water is 350ml. Identify the null and alternative hypotheses if the HUMSS students calculated the capacity of each bottle and found out the contents to be 340ml from a sample of 50 bottled water. Write your answer in symbols.

3. The average age of teachers in PSNHS is 36. The mean age of 26 sample SHS teachers is 35 with a standard deviation of 3 years. Illustrate the table Ho - Ha, below to illustrate hypotheses.

4. The average net pay of PSNHS personnel is Php 10,000. Identify the parameter and its exact value to be tested.

I need answers for all these questions please help me

Answer 1

1.

$H_0: \mu=5$

$H_a:\mu\not=5$

2.

$H_0: \mu=350$

$H_a:\mu\not=350$

3.

$H_0: \mu=36$

$H_a:\mu\not=36$

4. The parameter is the average net pay of PSNHS personnel: $\mu=10000.$