Al Ain municipality is deciding whether or not to spend more money to reduce the amo ic in the city The municipaty decides thttwt no teon amount of waiting time for drivers exceed 30 minutes. Anormaly distributed samp minutes. Use a 70.05 ad reutsin a mean of wating time o mutes andn d 1) State the altemative hypothesis in this investigation. Insert in the box the letter that comenponds to the comect arwer trom the anes given beow (a) H: # 30 (b) H p>30 (c) Hg: u<30 (Round the test stattic ecimal place 2) The test statistic equals and the critical value is equal to 3) Insert in the box the letter that corresponds to the right conckusion trom condusions given below. (a) The test statistics is less than the critical value, therefore we reject Ho and support Hy. (b) The test statistics is less than the critical value, therefore we do not reject Ho and support H (c) The test statistics is greater than the critical value, therefore we reject Ho and support Hy

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Al Ain municipality is deciding whether or not to spend more money to reduce the amo ic in the city The muricipality decides ttwt no tetootto
amount of waiting time for drivers exceed 30 minutes. Anormally distributed samp
minutes. Use a 0.05
pad resuts in a mean of wating time f0 minutes andtantd d
1) State the altemative hypothesis in this investigation. Insert in the box the letter that coresponds to the correct anwwer from the ansas gen beiow
(a) Hq:
30
(b) H1 >30
(c) H1: u<30
2) The test statistic equals
and the critical value is equal to
(Round the test statistic to 2 decinmal plae
3) Insert in the box the letter that corresponds to the right conclusion from condlusions given below.
(a) The test statistics is less than the critical value, therefore we reject Ho and support H1.
(b) The test statistics is less than the critical value, therofore we do not reject Ho and support H4.
(c) The test statistics is greater than the critical value, therefore we reject Ho and support Hy.
(4) Construct a 95% confidence interval to estimate the proportion of white employees in the hight-tech firm
(Round to 3 decimal places)
and Upper Confidence Limit is
Lower Confudence Limit is
Transcribed Image Text:Al Ain municipality is deciding whether or not to spend more money to reduce the amo ic in the city The muricipality decides ttwt no tetootto amount of waiting time for drivers exceed 30 minutes. Anormally distributed samp minutes. Use a 0.05 pad resuts in a mean of wating time f0 minutes andtantd d 1) State the altemative hypothesis in this investigation. Insert in the box the letter that coresponds to the correct anwwer from the ansas gen beiow (a) Hq: 30 (b) H1 >30 (c) H1: u<30 2) The test statistic equals and the critical value is equal to (Round the test statistic to 2 decinmal plae 3) Insert in the box the letter that corresponds to the right conclusion from condlusions given below. (a) The test statistics is less than the critical value, therefore we reject Ho and support H1. (b) The test statistics is less than the critical value, therofore we do not reject Ho and support H4. (c) The test statistics is greater than the critical value, therefore we reject Ho and support Hy. (4) Construct a 95% confidence interval to estimate the proportion of white employees in the hight-tech firm (Round to 3 decimal places) and Upper Confidence Limit is Lower Confudence Limit is
money to reduce the amount of traffic in the city. The municipality decides that it will increase the transportation budget if the
ally distributed sample of 21 main road results in a mean of waiting time of 35.0 minutes and a standard deviation of 4.5
in the box the letter that corresponds to the correct answer from the answers given below:
the critical value is equal to
(Round the test statistic to 2 decimal places).
clusion from conclusions given below.
ve reject Ho and support H1.
ve do not reject Ho and support H1.
re we reject Ho and support H1.
ortion of white employees in the hight-tech firm:
(Round to 3 decimal places)
a Upper Confidence Limit is
Transcribed Image Text:money to reduce the amount of traffic in the city. The municipality decides that it will increase the transportation budget if the ally distributed sample of 21 main road results in a mean of waiting time of 35.0 minutes and a standard deviation of 4.5 in the box the letter that corresponds to the correct answer from the answers given below: the critical value is equal to (Round the test statistic to 2 decimal places). clusion from conclusions given below. ve reject Ho and support H1. ve do not reject Ho and support H1. re we reject Ho and support H1. ortion of white employees in the hight-tech firm: (Round to 3 decimal places) a Upper Confidence Limit is
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