How many ?!!!! ?!!! ?!!

Mathematics

1 answer:

mario62 [17]3 years ago

5 0

hope this helps you alot☺✌❤

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Laura is training to run a race. She keeps track of the number of miles she runs. She has been training for 7 weeks, and she has

vekshin1

<h3>Answer: 9 miles per week</h3>

Explanation:

You divide the two values given to get 63/7 = 9.

We can think of it as if it was a ratio 63 miles: 7 weeks. Dividing both parts of that ratio by 7 will turn the "7 weeks" into "1 week".

You can check the answer by multiplying the 9 miles per week with the 7 weeks to get 9*7 = 63 miles total.

8 0

3 years ago

Read 2 more answers

What is the probability that the mean duration of the 24 rowers with idna exceeds 63 minutes?

statuscvo [17]

Answer:

Step-by-step explanation:

Given that: Training-session duration of female rowers with normal iron status is Normally distributed, with mean 69 minutes and standard deviation 18minutes.

Solution:

z score shows the relationship between sample means. The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by the formula:

$z=\frac{x-\mu}{\sigma}\\\\for\ sample(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} } \\\\where\ \mu=mean,\sigma=standard\ deviation,x=raw\ score$