Determine the probability of obtaining
Employ the normal distribution to approximate following binomial distribution: A fair coin is tossed 130 times. Determine the probability of obtaining between 61 and 77 tails, inclusive?
a) 0.7709
b) 0.7680
c) 0.7358
d) 0.7401
e) 0.7406
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In a GC determination of tetra-ethyl lead (TEP b), an injection which is having 1.0 :g/l of TEP b and 0.40 :g/l of nonane, used as an internal standard, gives a peak area ratio of the 3.6 (TEPb over nonane).
Endure All, a manufacturer of batteries claims that lifetime of their batteries is basically distributed with mean of 500 hours and standard deviation of 40 hours. Determine the probability that Endure All battery chosen at random will last more t
The peak width of peak A is 0.18 minutes. In a GC analysis, a pair of analytic A and B have retention times of 3.93 and 4.12 minutes, respectively, on a column with tm = 0.97 minutes.
Discuss how do you add the OH which is meta to the butyl group? Can it be through a benzene intermediate with the NaOH,H20, H30 as reactants once you've done Friedel-Crafts acieration which is followed by the chlorination?
The box with square base and no lid is to be made from the piece of metal by cutting squares from corners and folding up sides. Cut off squares are 5 cm on a side.
Discuss how do you synthesize the 4-chloro-3butylphenol from the benzene assuming that when the ortho and para isomers can be separated?
For a certain liquid mixture of equal weights of nicotine and water at the 80oC, the mass of the water-rich phase is 20 g. Identify the mass of water and the mass of nicotine in the water-proof phase.
If distribution of income of US households is approximately normal with the mean = $50k and standard deviation = $20k, determine the approximate probability that in the random sample of 100 US households, your sample mean is less than $46k?
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