2 years ago

Bag A 3Bag A

Mathematics

1 answer:

enot [183]2 years ago

8 0

Answer:

first is unlikely

2nd is impossible

3rd is likely

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What rate is equivalent to 72/9 8/1 1/8 8/2 2/8

lidiya [134]

72/9 is equivalent to 8/1

so, option A is your answer.

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4 years ago

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OLEGan [10]

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Step-by-step explanation:

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The Smith family went out to dinner. The price of the meal was $29.85. The sales tax was 6% of the price of the meal. The tip wa

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You recently took a statistics exam in a large class. The instructor tells the class that the scores were Normally distributed,

Lunna [17]

Answer:

b. the area to the right of 2

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, which is also the area to the left of Z. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X, which is the area to the right of Z.

In this problem:

$X = 96, \mu = 72, \sigma = 12$