Answer:
12
Step-by-step explanation:
The answer would be 7(a - 1)
Answer: There are 9 different types of note cards that the store sells.
We can use the Fundamental Counting Principle to determine the total number of options.
There are two different events in this problem. First, there are 3 kinds of cards. Second, there are 3 sizes for each kind.
Simply, multiply the 3 by the other 3 and you have 9 different options.
Just think, each card would have a small, medium and larger option. So there are 3 groups of 3 or 9 total options.
Answer:
Yes, we can expect the given result
Step-by-step explanation:
The population proportion P = 0.60
the 95% confidence interval is ( 0.56, 0.76)
The 95% confidence that the true population proportion lies between the interval ( 0.56, 0.76)
Only 5% of 20 random samples i.e only 1 sample is not contain in the population proportion.