749 people, 165 is 22% of 100 %. so 4.5 x more people attended. 4.5 x165 is 749.1 so, 749 people attended. (749people x 22% equals 164.78 people)
Answer:
The treatments (new menu item) were not randomly assigned to the students - option B.
Step-by-step explanation:
A choice was given to each student to select between the macaroni and cheese and the Cajun potato barrels. Therefore, the treatments were not randomly assigned to the students, and students who prefer their food will select that item and give high ratings. Hence, the study suffers from selection bias.
The reason below prevents this study from being a well-designed experiment;
The treatments (new menu item) were not randomly assigned to the students - option B.
Answer:
23 nights
Step-by-step explanation:
What does "Proportional" Mean? Proportional means that the ratio is the same throughout.
Step One: First, to set this up, we will put the 16 centimeters for the numerator and then the 8 nights on the bottom. The bottom is the independent variable because we can't physically change the number of nights. 16/8.
Step Two: Now, we have to scale this up to 46. Because the 46 is the centimeters, we have to do 46/16 to see how much we need to scale it by: 46/16= 2.875.
Step Three: Lastly, we can multiply 8 by 2.875 to see how many nights it took: 8 times 2.875 is 23 nights.
Answer:
a. Yes
See explanation below.
Step-by-step explanation:
Assuming that if the question is if we can use the normal approximation for the true proportion.
For this case we have n = 40 and p = 0.3 (probability of success)
We need to check some conditions:
1) Random sample : This condition is satisfied since the problem says that she randomly select 40 records
2)
3) 10% condition: the random sample is assumed to be less than 10% of the original population size (assumed)
The population proportion have the following distribution
So then as we can see the normal approximation for this case makes sense since we have all the 3 conditions satisfied so then the answer would be:
a. Yes
The Answer is A.
Repeating number is not a function. It's ok to have repeating number in Y or the range but not the X which is the Domain.