Answer:
Yes, the number 400 is a perfect square. A perfect square is a number that can be expressed as the product of two equal integers.
Step-by-step explanation:
Very unlikely usually means less than 10 percent, which 10 is right on. “More likely than not" means greater than 50 percent. "About as likely as not" means 33 to 66 percent. "Unlikely" means less than 33 percent. "Very unlikely" means less than 10 percent. "Extremely unlikely" means less than 5 percent.” I grabbed that from http://www.sejarchive.org/resource/IPCC_terminology.htm
Answer:
Start
Step-by-step explanation:
The measure of spread is the variation so we can use range:
Range of Start:
15 - 7 = 8
Range of End:
13 - 6 = 7
Start had a bigger value so it had the greater variation
Answer:
The correct answer to the question is
a. variable interval
Step-by-step explanation:
In a variable interval, the time at which reinforcement or reward is gained occurs at an unpredictable time. That is the animal gets a reinforcement on the grounds of an unpredictable time period.
An example of a variable interval is the catching of fish whereby the fisher catches fishes at an unpredictable time throughout the day.
The result of a variable interval is a controlled but stable response rate. In the case in the question, constant monitoring of the fishing device is important