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Elden [556K]
3 years ago
8

.

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
7 0

Answer:

this is too old

Step-by-step explanation:

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Gina and Stewart are surf-fishing on the Atlantic coast, where both bluefish and pompano are
viktelen [127]

Using the normal distribution, it is found that due to the greater z-score, Stewart caught the longer fish relative to the same specie.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

To find who caught the longer fish relative to the same specie, we need to find out who had the higher z-score.

Stewart caught a bluefish with a length of 322 mm, hence the parameters are as follows:

X = 322, \mu = 267, \sigma = 39

The z-score is:

Z = \frac{X - \mu}{\sigma}

Z = \frac{322 - 267}{39}

Z = 1.41

Gina caught a pompano with a length of 176 mm, hence the parameters are as follows:

X = 176, \mu = 155, \sigma = 28

The z-score is:

Z = \frac{X - \mu}{\sigma}

Z = \frac{176 - 155}{28}

Z = 0.75.

Hence Stewart caught the longer fish relative to the same specie.

More can be learned about the normal distribution at brainly.com/question/4079902

#SPJ1

8 0
2 years ago
PLS HELP ASAP! 20 PTS<br><br> evaluate
alexandr1967 [171]

Answer:

Step-by-step explanation:

Cos^-1(1/2) = 60

To get from a degree to radian, simply multiply by pi then divide by 180. So the final answer is 1/3pi or approximately 1.0472

I hope this helped! :D

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3 years ago
Which graph is defined by the function given below?<br> y= (x + 2)(x+7)
Lady bird [3.3K]

Answer:

A parabola

Step-by-step explanation:

It's a quadratic equation so the graph will be a parabola.

The solutions are -2 and -7

8 0
3 years ago
Which mixed number correctly describes the shaded area of the fraction bars? 2One-half 2Two-sixths 2Two-fifths 3
alexandr1967 [171]

Answer:

File doesn't appear, can't help you without enough infomation.

Step-by-step explanation:

5 0
3 years ago
A hundred percent turned into a decimal
faltersainse [42]
100%=1.0 hope this helps
4 0
3 years ago
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