Answer:
Probability that one or more people in Arbalest got a cold is 0.9987.
Step-by-step explanation:
We are given that according to a report, 11 people got colds for every 2000 people.
There are 1200 people in the town of Arbalest.
The above situation can be represented through binomial distribution;

where, n = number of trials (samples) taken = 1200 people
r = number of success = one or more people got a cold
p = probability of success which in our question is probability
that people got colds, i.e; p =
= 0.55%
Let X = <u><em>Number of people in Arbalest who got a cold</em></u>
So, X ~ Binom(n = 1200 , p = 0.0055)
Now, Probability that one or more people in Arbalest got a cold is given by = P(X
1)
P(X
1) = 1 - P(X = 0)
=
=
= 0.9987 or 99.87%
Hence, the required probability is 99.87%.
Answer:
1
Step-by-step explanation:
Start at -0.5 and go toward 0.5.
From -0.5 to zero, it's a distance of 0.5.
From zero to 0.5, it's also a distance of 0.5.
Add the two distances, 0.5 + 0.5 = 1.
The distance between -0.5 to 0.5 is 1.
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So, your answers should be A and D
If I'm wrong correct me.
Answer:
Question 11 - B
Question 12 - C
Step-by-step explanation:
11). 4 chairs per table --> B
12). The 24 pack is a better buy (C).
- 12 pack - 0.3333 per can
- 24 pack - 0.3125 per can <-- cheaper
Answer:
use the formula for area of the trapezium
and apply the given values in the question.
and give the answer in centimetre square