An hour and twenty minutes
Answer:
0.3 (3 repeating)
Step-by-step explanation:
Hope this helps!!
Answer:
- This is a biased sampling method for obtaining customer opinions because those who take the time to write an online review are likely to do so because they are upset with the service they received.
- The direction of the bias is likely to overestimate the proportion of customers who have a negative opinion on the service.
Step-by-step explanation:
1) There are groups which are not represented in the survey like those who don't use web. And also those who take the time to write an online review are likely to do so because they are upset with the service they received.
2) Those who had negative experience are more likely to write a review than those who had not.
Answer:
b
Step-by-step explanation:
Probability calculates the likelihood of an event occurring. The likelihood of the event occurring lies between 0 and 1. It is zero if the event does not occur and 1 if the event occurs.
For example, the probability that it would rain on Friday is between o and 1. If it rains, a value of one is attached to the event. If it doesn't a value of zero is attached to the event.
probability that the committee will be made up of all math teachers = total number of maths teacher / total number of teachers
7 / 12
Answer:
Ms. Day bought 5 blankets and 4 pillows.
Step-by-step explanation:
Let 
denotes number of blankets and 
denotes number of pillows.
Blankets cost her $16 while pillows cost her $10 and Ms. Day spent a total of $120.
Divide this equation by 2.
Ms. Day bought 9 items.
Multiply this equation by 5.
Subtract 
from 
Put 
in
Therefore,
Ms. Day bought 5 blankets and 4 pillows.
