It’ll be C or B with no soul took by finding the value.
Answer:
LA = 8
Step-by-step explanation:
Since ∆FIM ~ ∆LAK, therefore, the ratio of their corresponding sides are equal.
Thus:
FI/LA = FM/LK
FI = 4
LA = ?
FM = 6
LK = 12
Plug in the values
4/LA = 6/12
4/LA = 1/2
Cross multiply
LA*1 = 2*4
LA = 8
Answer:
0.8945
Step-by-step explanation:
The average life of smokers,
is 60 months
Standard deviation is 8 months
Random sample, n is 30 smoke detectors

= 
= 
= P(-1.37 < Z < 2.05)
= P(Z < 2.05) - P(Z < -1.37) Then from the standard tables, the Z values are 0.9798 for Z=2.05 and 0.0853 for Z=-1.37
= 0.9798 - 0.0853
= 0.8945
Therefore, the probability that a random sample of 30 smoke detectors will have a lifetime between 58 months and 63 months is 0.8945