O How can you explain, without just using a rule, why 4.2 = 0.2 is the same as 42 = 2? I
1 answer:
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Answer:
Step-by-step explanation:
Given : In a state where license plates contain six digits.
Probability of that a number is 9 = [Since total digits = 10]
We assume that each digit of the license number is randomly selected .
Since each digit in the license plate is independent from the other and there is only two possible outcomes for given case (either 9 or not), so we can use Binomial.
Binomial probability formula:
, where n= total trials , p = probability for each success.
Let x be the number of 9s in the license plate number.
Then, the probability that the license number of a randomly selected car has exactly two 9's will be :
Hence, the required probability = 0.098415
Answer:
20 ft²
Step-by-step explanation:
the area (A) of a triangle is calculated using the formula
A = bh ( b is the base and h the height )
here b = 5 and h = 8
A = × 5 × 8 = 20 ft²