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3 years ago

10

here will be 57 guests and he wants to make sure everyone gets a slice of cake. He wants to pay as little as possible for the ca

kes and for them to be the same size.

1 answer:

kicyunya [14]3 years ago

3 0

So what would the question be

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Henry has collected data to find that the typing speeds for the students in a typing class has a normal distribution. What is th

Mekhanik [1.2K]

Answer: 0.8413

Step-by-step explanation:

Given : Henry has collected data to find that the typing speeds for the students in a typing class has a normal distribution.

Mean : $\mu=47$

Standard deviation : $\sigma= 4$

Let x be the random variable that represents the typing speeds for the students.

The z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x= 51

$z=\dfrac{51-47}{4}=1$

Using the standard normal distribution table ,the probability that a randomly selected student has a typing speed of less than 51 words per minute :-

$P(x$

Hence, the probability that a randomly selected student has a typing speed of less than 51 words per minute = 0.8413

8 0

3 years ago

Please help me first thinks

katrin2010 [14]

Answer:

3 minutes

5 minutes.

Step-by-step explanation:

It is given that, Amelia can wash 8 plates in 24 minutes.

So, if this rate remains constant then 1 plate will be washed in $\frac{24}{8} = 3$ minutes.

Again, it is given that, Amelia bakes 12 cookies in 60 minutes.

So, if this rate also remains constant then she will bake 1 cookie in $\frac{60}{12} = 5$ minutes. ( Answer )

7 0

3 years ago

A wire 4 1/2 feet long is being cut into smaller pieces of wire, each 1 1/4 feet long. What is the maximum number of smaller pie

Neko [114]

Answer 4.6 ft

Step-by-step explanation:

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3 years ago

What is 7.13×10 to the fifth power in standard form

horrorfan [7]

713000 is your answer

4 0

3 years ago

What is the value of the number one in 61

ikadub [295]

<span>the value of the number one in 61 is 1
hope it helps</span>

5 0

4 years ago

Read 2 more answers