Q-1) An organization monitors many aspects of elementary and secondary education nationwide. Their 1998 numbers are often used as a baseline to assess changes. In 1998 45% of students had not been absent from school even once during the previous month. In the 2000 survey, reponses from 7471 students showed that this figure had slipped to 44%. Perfom the test and find the P value ?
Q-2) A limousine company is concerned with increasing costs of maintaining their fleet of 150 cars. After testing the company found that the emissions system of 18 out of the 21 cars they tested failed to meet pollution control guidelines. They had forecasted costs assuming that a total of 48 cars would need updating to meet the latest guidelines. Is this strong evidence that more than 32% of the fleet might be out of compilance? complete parts a and b :
a- what is the value of test statistic?
b- what is the P value of the test statistic?