A builder has agreed not to erect all "look alike" homes in a new subdivision. Five exterior designs are offered to potential ho
1 answer:
Answer:
There will be 15 ways.
Step-by-step explanation:
5 exterior designs are offered to potential home buyers.
The builder has standardized 3 interior plans that can be incorporated in any of the 5 exteriors.
So, the number of different ways in which the exterior and interior plans be offered to potential home buyers is given by:
Therefore, the answer is 15 ways.
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Answer:
The null and alternative hypotheses are:
Under the null hypothesis, the test statistic is:
Where:
is the sample mean
is the sample standard deviation
is the sample size
Now, we can find the right tailed t critical value at 0.01 significance level for df = n-1 = 10 - 1 = 9 using the t distribution table. The t critical value is given below:
Since the test statistic is less than the t critical value, we therefore, fail to reject the null hypothesis and conclude that there is not sufficient evidence to support the claim that the people do better with the new edition.
Answer :
- 1 (i).
- (ii).
- (iii) .
- 2(i).
- I Hope it helps :)
