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Mamont248 [21]
3 years ago
13

PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Mathematics
1 answer:
MAVERICK [17]3 years ago
3 0

Answer:

Step-by-step explanation:

3rd one

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Use the appropriate normal distribution to approximate the resulting binomial distributions. A convenience store owner claims th
Naddika [18.5K]

Answer:

0.9256

Step-by-step explanation:

Given that 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

Let X be the number of customers who buy from her store, on a certain day of the week, buy coffee during their visit

X is Binomial (35, 0.55)

since each customer is independent of the other and there are two outcomes.

By approximation to normal we find that both np and nq are >5.

So X can be approximated to normal with mean = np = 19.25

and std dev = \sqrt{npq} \\=2.943

Required probability = prob that fewer than 24 customers in the sample buy coffee during their visit on that certain day of the week

= P(X (after effecting continuity correction)

= 0.9256

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2 years ago
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ipn [44]
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Art [367]

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2y + 3 = 6

Step-by-step explanation:

2y + 3 = 6 <em>Subtract</em><em> </em><em>3</em><em> </em><em>from</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em>

2y = 3 <em>Divide</em><em> </em><em>2</em><em> </em><em>from both</em><em> </em><em>sides</em>

y = 3/2

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Simplify the expiration 2h+6h+4h
dezoksy [38]

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I think the answer is12h?

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900 is times as much as 9
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100 x 9 = 900
so

900 / 100 = 9


7 0
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