A news reporter declares that in Seattle it rains 80% of the time, hails 15% of the time, and is sunny 5% of the time. What are the correct conditions for this x test for goodness of fit? Check all that apply. A sample of 150 randomly selected moments reveals 135 instances when it was raining, 2 instances when it was hailing, and 13 instances when it was sunny. O We have a random sample of 150 weather recordings in Seattle. O We have a random sample of weather reporters in Seattle. Do these data provide convincing evidence that this stated distribution is incorrect? Use a = 0.01. O The 10% condition does not apply. O 150 < 10% of all possible moments for which the weather can be recorded. O The smallest expected count is 7.5. O The smallest expected count is 2. O All expected counts are at least 5.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A news reporter declares that in Seattle it rains 80% of
the time, hails 15% of the time, and is sunny 5% of the
time.
What are the correct conditions for this x test for
goodness of fit? Check all that apply.
A sample of 150 randomly selected moments reveals
135 instances when it was raining, 2 instances when it
was hailing, and 13 instances when it was sunny.
O We have a random sample of 150 weather
recordings in Seattle.
O We have a random sample of weather reporters in
Seattle.
Do these data provide convincing evidence that this
stated distribution is incorrect? Use a = 0.01.
O The 10% condition does not apply.
O 150 < 10% of all possible moments for which the
weather can be recorded.
O The smallest expected count is 7.5.
O The smallest expected count is 2.
O All expected counts are at least 5.
Transcribed Image Text:A news reporter declares that in Seattle it rains 80% of the time, hails 15% of the time, and is sunny 5% of the time. What are the correct conditions for this x test for goodness of fit? Check all that apply. A sample of 150 randomly selected moments reveals 135 instances when it was raining, 2 instances when it was hailing, and 13 instances when it was sunny. O We have a random sample of 150 weather recordings in Seattle. O We have a random sample of weather reporters in Seattle. Do these data provide convincing evidence that this stated distribution is incorrect? Use a = 0.01. O The 10% condition does not apply. O 150 < 10% of all possible moments for which the weather can be recorded. O The smallest expected count is 7.5. O The smallest expected count is 2. O All expected counts are at least 5.
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