Mathematics
Mathematics, 12.03.2021 16:00, aubriebv2020

The marketing manager for an automobile manufacturer is interested in determining the proportion of new compact-car owners who would have purchased a side curtain air bag if it had been available for an additional cost of $300. The manager believes from previous information that the population proportion is 0.30 (Pl). Suppose that a survey of 200 new compact-car owners is selected and 80 indicate that they would have purchased the side curtain air bags. If you were to conduct a test to determine whether there is evidence that the proportion is different from 0.30, what will be your test statistic(Zstat value? a. 3.086
b. -4.103
c. 2.897
d. -1.258

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:30, dozsyerra
Find the given elements if matrix d:
Answers: 1
image
Mathematics, 21.06.2019 18:00, santosv3136
What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15
Answers: 1
image
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
image
Mathematics, 21.06.2019 20:00, ayoismeisalex
He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
Answers: 3
Do you know the correct answer?
The marketing manager for an automobile manufacturer is interested in determining the proportion of...

Questions in other subjects:

Konu
Mathematics, 26.06.2019 13:40