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Ipatiy [6.2K]
3 years ago
8

The average waiting time to be seated for dinner at a popular restaurant is 23.5 minutes, with a standard deviation of 3.6 minut

es. Assume wait time is normally distributed.
When a patron arrives at the restaurant for dinner, find the probability that the patron will have to wait less than 18 minutes or more than 25 minutes.
Mathematics
1 answer:
san4es73 [151]3 years ago
8 0

Answer:

0.40

Step-by-step explanation:

Find the z-scores.

z = (x − μ) / σ

z₁ = (18 − 23.5) / 3.6

z₁ = -1.53

z₂ = (25 − 23.5) / 3.6

z₂ = 0.42

Use a table or calculator to find the probability.

P(Z < -1.53) + P(Z > 0.42) = 0.0630 + (1 − 0.6628) = 0.4002

The probability is approximately 0.40.

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Carle is cutting pieces of string that are exactly 24 3/8 inches long. How many pieces can she cut from a ball of string that ha
iris [78.8K]
The answer is A because 24 3/8 inches is roughly 2 feet, 100/2 is 50, and since there is a small 3/8 value, the answer is 49
5 0
3 years ago
Read 2 more answers
What is the solution to the following system of equations?
Semmy [17]

Answer:

(3,2)

Step-by-step explanation:

The system is

x + y = 5

x -y = 1

Add the equations to eliminate y

2x = 6----->x=3

Substitute this value in any equation

3+y = 5----->y=2

The solution is (3,2)

3 0
4 years ago
A fitness club charges $25 per month as well as a one-time $80 fee of all new members which equation represents the cost in doll
madam [21]

Answer: So if you want to find the total cost (c) for a certain number of months (m) and it costs $35 per month, you just need to multiply the number of months by the cost per month. So

35m=c

If you want to see the units cancel

($35/month)(months)=$

The months will cancel out, and you will be left with total dollars.

Not sure about the second part of your question, but if you wanted to figure out how much it would cost to be a member for 6 months, you would just plug in 6 for m.

35(6)=c

c=210

So $210

Step-by-step explanation:

4 0
4 years ago
-2/5x - 5 = -25<br><br> solve X QUICKKKKLY
cricket20 [7]

Answer:

50

Step-by-step explanation:

add 5 to -25 to get -2/5x by itself.

4 0
3 years ago
7 divided by somethings equal 7.35
Dmitriy789 [7]
Let's translate it into an equation and then solve...

7/x = 7.35
x * 7/x = 7.35 * x
7 = 7.35x
7/7.35 = x
 .9524 = x

So 7 divided by .9524 (rounded to the nearest ten thousandth) equals 7.35
6 0
3 years ago
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