Question

Determine which of the following binomial distributions has
approximately normal distribution

Answer #1

thank you.

Determine which of the following binomial distributions has
approximately normal distribution
n = 40, p = 0.02
or
n = 400, p = 0.002
or
none

For which of the following binormial distributions are the
conditions for the normal approximation to the binomial
distribution satisfied?
a. = 40, p = 0.9
b. = 400, p = 0.99
c. = 20, p = 0.2
d. = 20, p = 0.3

One paragraph notes on Mean and Variance of normal
approximation for binomial and Poisson distributions has
to be own words not copy paste..

Consider two binomial distributions, each have n=15 trials. The
first distribution has the probability of success of each trial
with p1=0.80 and the second distribution has the probability of
success of each trial with p2=0.24. What do you observe about these
two binomial distributions?
Select one:
a. The first binomial distribution will have a lower expected
value than the second binomial distribution.
b. The shape of the first binomial distribution is skewed right,
while the second binomial distribution is skewed...

For the following conditions, determine if it is appropriate to
use the normal distribution
to approximate a binomial distribution with n = 42 and p = 0.3.
Explain you answer.

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Use the appropriate normal distribution to approximate the
resulting binomial distributions. A convenience store owner claims
that 55% of the people buying from her store, on a certain day of
the week, buy coffee during their visit. A random sample of 35
customers is made. If the store owner's claim is correct, what is
the probability that fewer than 20 customers in the sample buy
coffee during their visit on that certain day of the week?
a) 0.5675
b) 0.5319...

Use the appropriate normal distribution to approximate the
resulting binomial distributions. A convenience store owner claims
that 55% of the people buying from her store, on a certain day of
the week, buy coffee during their visit. A random sample of 35
customers is made. If the store owner's claim is correct, what is
the probability that fewer than 22 customers in the sample buy
coffee during their visit on that certain day of the week?
a) 0.7967
b) 0.7764...

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