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2 years ago

Every summand of an expression is called a???

Mathematics

1 answer:

cricket20 [7]2 years ago

4 0

Answer:

I think it's called a term.

Hope this helps :)

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For the given decimal −0.009, find the two integers closest to it.

irinina [24]

Answer:

0 and -1

Step-by-step explanation:

The two integers closest to -0.009 are 0 by truncation and -1 by approximation.

8 0

3 years ago

Which point is 12 units less than point Q?

nadezda [96]

Answer:

Point R

Step-by-step explanation:

Go back 12 points

4 0

3 years ago

Cars arrive at the Wendy's drive-through at a rate of 1 car every 5 minutes between the hours of 11:00 PM and 1:00 AM. on Saturd

mestny [16]

Answer:

1) $P(X = 8) = 0.1033$

$P(X = 9) = 0.0688$

2) Expected number of 200 restaurants in which exactly 8 customers use the drive-through: 20.66

Expected number of 200 restaurants in which exactly 9 customers use the drive-through: 13.76

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

$e = 2.71828$ is the Euler number

$\mu$ is the mean in the given time interval.

Question 1. Use the Poisson distribution to calculate the probability that exactly 8 cars will use the drive-through between 12:00 midnight and 12:30 AM on a Saturday night at Wendy's. Do the same for exactly 9 cars.

Cars arrive at the Wendy's drive-through at a rate of 1 car every 5 minutes between the hours of 11:00 PM and 1:00 AM. on Saturday nights. This means that during 30 minutes, 6 cars expected to arrive. So $\mu = 6$ .

P(X = 8)

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

$P(X = 8) = \frac{e^{-6}*(6)^{8}}{(8)!} = 0.1033$

P(X = 9)

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

$P(X = 9) = \frac{e^{-6}*(6)^{9}}{(9)!} = 0.0688$

Question 2. At how many of the 200 restaurants in the survey would you expect exactly 8 customers to use the drive-through? exactly 9 customers?

There is a 10.33 probability that 8 customers would use the drive through for each restaurant.

So of 200, the expected number is

$E(X) = 200*0.1033 = 20.66$

There is a 6.88 probability that 9 customers would use the drive through for each restaurant.

So of 200, the expected number is

$E(X) = 200*0.0688 = 13.76$

8 0

3 years ago

The school basketball team won the game. The finals score was a two digit number. The digit in the tens place was the number tha

8_murik_8 [283]

Answer:

1? Because its the only number beetween 2 and 0.

5 0

3 years ago

Can someone help me with these questions on my math sheet before I fail class? Thanks

Natasha2012 [34]

Hey i’ll actually answer this unlike the other person lol
to find the complements of all of those angles just subtract them from 90
like 90-12=78, so the complement for problem 10 is 78

6 0

3 years ago