Write 7.08 x 10 -4 in standard notation
2 answers:
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Answer:
Step-by-step explanation:
Given
--- The variation
Required
Determine the constant of proportionality (k)
Express as an equation
Multiply both sides by
Make k the subject
Given that:
We have:
This can be represented as:
Answer:
Step-by-step explanation:
Given that twenty-three percent of automobiles are not covered by insurance (CNN, February 23,2006).
considering the total number of vehicles, probability for a randomly drawn vehicle not covered by insurance = 0.23
Each vehicle can be treated as independent of the other
Hence X no of vehicles not covered by insurance is Binom with n = 35 and p - 0.23
a) the expected number of these automobiles that are not covered by insurance=E(x) =
b) the variance
=
Std dev = square root of variance = 2.4897