A mechanic wants to show that more than 44% of car owners do not follow a normal maintenance schedule.
Identify the null hypothesis, H0, and the alternative hypothesis, Ha, in terms of the parameter p.

We need to conduct a hypothesis in order to test the claim that the true propotion is higher than 0.44, the system of hypothesis are .:  

Null hypothesis:  

Alternative hypothesis:  

When we conduct a proportion test we need to use the z statistic, and the is given by:  

(1)  

Step-by-step explanation:

Data given and notation

n represent the random sample taken

estimated proportion of interest (owners who do not follow a normal maintenance schedule)

is the value that we want to test

represent the significance level

z would represent the statistic (variable of interest)

represent the p value (variable of interest)  

Concepts and formulas to use  

We need to conduct a hypothesis in order to test the claim that the true propotion is higher than 0.44, the system of hypothesis are .:  

Null hypothesis:  

Alternative hypothesis:  

When we conduct a proportion test we need to use the z statistic, and the is given by:  

(1)  

step-by-step explanation:

hunhgunyt7 in u uuuhiuteu

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.