Answer:
I think it is 45
n = number of rolls = 150
p = probability of rolling a “1” = 0.3
n*p = expected number of “1”s that show up out of the 150 rolls
n*p = 150*0.3
n*p = 45
Explanation:
hope this helps if not let me know
The question requires that we identify the past continuous form of the sentence. The answer to the question will be:
- When we were in the middle of our sleep, a burglar broke into our house.
The past continuous form of a sentence describes an action that started sometime in the past and continued for a while after it began.
The sentence above describes a past continuous sentence because it described an action that was ongoing sometime in the past.
Learn more about the past continuous sentence here:
brainly.com/question/14025107
The 1st row has 15 chairs.
The 2nd row has 15 + 3 = 18 chairs.
The 3rd row has 18 + 3 = 15 + 2•3 = 21 chairs.
The 4th row has 21 + 3 = 15 + 3•3 = 24 chairs.
The pattern continues, so that the n-th row has 15 + (n - 1)•3 = 3n + 12 chairs.
If there are 15 rows, then the total number of chairs is
where we use the formulas