39 students have a pet because 130 times .30 which represents thirty percent gives you the answer
Answer:
it's 42 my bad...
Step-by-step explanation:
<span> t^2+4tv+4v^2
= (t + 2v)(t + 2v)
= (t + 2v)^2</span>
Answer:
The average temperature of coffee in the sample, which is 70.2.
Step-by-step explanation:
The population is all the costumers. The company has determined that they want the average coffee temperature to be 65 degrees C. So, 65 degrees C is the average of the population.
The sample is the 20 orders. The mean
of the sample is 70.2C(That is, the mean of the 20 orders0. So, the correct answer is:
The average temperature of coffee in the sample, which is 70.2.