Answer to Question #332446 in Statistics and Probability for Niu

Question

ASSIGNMENT F10 (HYPOTHESIS TESTING)

  

Identify the null and alternative hypothesis of the ff.

1. The average age of bus drivers in a certain city is 38.8 years.

Ho :


Ha :

2.A university claims that the proportion of its students who graduate in four years is more than 82%.

Ho:

Ha :

3.A television manufacturer claims that the standard deviation of life of a certain type of television is 3 years.

Ho :


Ha :


Identify the null and alternative hypothesis of the ff.

4.The average number of calories of a low-calorie meal is at most 300.


Ho :

Ha :

5.The school record claims that the mean score in Math of the incoming grade 11 students is 8.1. The teacher wishes to find out if the claim is true. She tests if there is a significant difference between the batch mean score and the mean score of students in her class.

Ho :

Ha :