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Anestetic [448]
3 years ago
14

If a cruise ship was going 24 mph and traveled 15 miles, how long did it take it to get to it's destination?

Mathematics
1 answer:
SVEN [57.7K]3 years ago
4 0

Answer:

37.5

Step-by-step explanation:

so 24 miles per hour

15 miles

15/24

= 0.625 hours

60 x 0.625 = 37.5

It took 37 and 1/2 minutes

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Intravenous fluid bags are filled by an automated filling machine. Assume that the fill volumes of the bags are independent, nor
iren2701 [21]

Answer:

Let X the random variable that represent the heights of a population, and for this case we know the distribution for X is given by:

X \sim N(\mu,0.08)  

Where \mu and \sigma=0.08

Since the distribution for X is normal then the  we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And the standard error is given by:

SE= \frac{0.08}{\sqrt{24}}= 0.0163

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the heights of a population, and for this case we know the distribution for X is given by:

X \sim N(\mu,0.08)  

Where \mu and \sigma=0.08

Since the distribution for X is normal then the  we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And the standard error is given by:

SE= \frac{0.08}{\sqrt{24}}= 0.0163

8 0
3 years ago
What is the value of the function y=3x−1 when x=−1 ?<br><br> −8<br> −4<br> 2<br> 6
Paraphin [41]
Substitute x for -1 in <span> y=3x-1
</span>y = <span><span>(3) <span>(-1) -</span></span><span>1
</span></span>Solve
y = (3) (-1) -1
y = -3 - 1
y = -4

 B.) -4 is your answer
3 0
3 years ago
Read 2 more answers
Helppppp ur girl out
geniusboy [140]
0.59 increase because it went up
5 0
2 years ago
Please help its due in tommorow btw You get brainliest
BlackZzzverrR [31]
So if the total is $8.75, and 1 torch costs $7.66, and you bought 1 torch and two batteries, you would have to subtract 8.75 - 7.66 which is 1.09, and then divide that in half to get the price per battery.
Final answer = 1 Battery = $0.54
5 0
3 years ago
2 percent of the students at Hamilton Middle School have red hair. There are 400 students at Hamilton Middle School. How many st
klio [65]

Answer: There are 8 students at Hamilton Middle School with red hair.

Step-by-step explanation:

Given: The proportion of the students at Hamilton Middle School have red hair = 2% = 0.02

Total students in  Hamilton Middle School = 400

Then , the number of students have red hair = (proportion of the students have red hair ) x (Total students )

= (0.02) x (400)

= 8

Hence, there are 8 students at Hamilton Middle School with red hair.

7 0
3 years ago
Read 2 more answers
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