Chose 1 answer: A. 5.4 B. 5-4 C. 4/5 D. 5/4
1 answer:
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Answer:
A) probability that at least x of them will require repairs is less than 0.5 is 4
Step-by-step explanation:
sample size, n = 20
p = success probability of toaster = 0.2
q = failure probability of toaster =1- p = 1- 0.2 =0.8
mean, , μ = n * p = 20 * 0.2 = 4
standard deviation,
a) the probability that at least some of them require repairs < 0.5.
for value of z = 0
we know
from z table
X = 4
B) SECOND PART IS INCOMPLETE { DATA IS INCOMPLETE}
Answer:
Step-by-step explanation:
Given
So:
--- May
--- June
Required
Express as a function
Start by calculating the slope (m)
Simplify
The equation is:
Take LCM
Answer:
see explanation
Step-by-step explanation:
A rational number can be expressed in the form
where a and b are integers
Given
- 27 = ← in rational form
Thus - 27 is a rational number