Question

A 2010 survey by a reputable automotive website found that 61% of vehicle owners avoided automotive maintenance and repairs. Suppose a company would like to perform a hypothesis test to challenge this finding. From a random sample of 150 vehicle owners, t was found that 86 avoid maintenance repairs Using = 0.10 answer parts and below 2 -0.52 (Round to two decimal places as needed Determine the concluson Choose the corect answer below X Reject HThere is not suficient evidence to conclude that the true proportion of owners who vol manenance and repairs is different from what the website found Reject, There is somentevidence to conclude that the true proportion of owners who void maintenance and repairs is different from what the website found Do not reject Ho. There is sucent evidence to conclude that the true proportion of owners who void maintenance and repairs is interent from what the website found Do not reject Ho. There is not scient evidence to conclude that the true proportion of owners who wo mantenance and repairs is different from what the website found b. Determine the value for this test D-value-eyed to the decimal places as needed)

Answer 1

Ho: P: 0.61 Hi :P0.61 no 150 K: 0.10 Po = 0.81 go: 1- Po: 0.39 X : 86 86 sample proportion t- 0.5733 156 P-Po 2 Po Q. 0.5733 -0.61 0.61 X 0.39 150 -0.0367 0.0398 -0.92 i 12cal 1 -0.92 * a value P (2> 0.92) + P (26-0.92) 0.1788 + 0.1788 0. 3576 * 2. p value : 0.358 Here p value = 0.358 which is greater than X:0.10 These for do not rejeet Ho he conclude that Do not reject Ho, there ý not sufficient evidence to conclude that the mue proportion of owners who had avoid maintenance of spain et different from what the website found. >