Joaquin and Trisha are playing a game in which the lower median wins the game. Their scores are shown below.

Mathematics

2 answers:

ANTONII [103]1 year ago

7 0

Answer: The correct answer is A

Step-by-step explanation: Joaquin won because the median of his scores is 73.5 and the median of Trisha’s scores is 83.

Plz mark me!! Thx

iragen [17]1 year ago

3 0

Median is defined as the middle term when the scores are arranged in increasing/decreasing order.

Joaquin's scores: 58, 62, 72, 75, 85, 91 Median: 73.5
Trisha's scores: 55, 74, 76, 90, 91, 92 Median: 83

The answer is letter A.

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Read 2 more answers

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Setler79 [48]

Answer:

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Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

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