3 years ago

What is the value of ∣∣−89∣∣? A. −98 B. −89 C. 89 D. 98

1 answer:

7 0

The value is c.89 since it’s the absolute value

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victus00 [196]

Answer: 0.0228

Step-by-step explanation:

Given : The mean and the standard deviation of finish times (in minutes) for this event are respectively as :-

$\mu=30\\\\\sigma=5.5$

If the distribution of finish times is approximately bell-shaped and symmetric, then it must be normally distributed.

Let X be the random variable that represents the finish times for this event.

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

$z=\dfrac{19-30}{5.5}=-2$

Now, the probability of runners who finish in under 19 minutes by using standard normal distribution table :-

$P(X$

Hence, the approximate proportion of runners who finish in under 19 minutes = 0.0228

8 0

3 years ago

Xelga [282]

Answer:

Look at the photo below for the answer.

6 0

3 years ago

natita [175]

The inequality is n<24
hoped it helped
brainlist plz

4 0

3 years ago

blsea [12.9K]

The primeter is the outside p=2+2 +3+1+1 so the primiter is 9

3 0

3 years ago

swat32

You equal each to zero, so -6,0,3,7

3 0

3 years ago