What is the correct algebraic expression to these ?!!! Quickkkk

Mathematics

2 answers:

sammy [17]2 years ago

6 0

There you go. Hope it help.

agasfer [191]2 years ago

5 0

Answer:

see below

Step-by-step explanation:

$\frac{4/5}{3/2}=\frac{4}{5}*\frac{2}{3}$

so 1 goes with 3

$\frac{1/4}{1/7} =\frac{1}{4}*7$

so 2 goes with 2

$\frac{7}{1/4} =7*4$

so 3 goes with 1

and that leaves 4 with 4

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The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6. What ar

Degger [83]

Answer:

The minimum value of the bill that is greater than 95% of the bills is $37.87.

Step-by-step explanation:

When the distribution is normal, we use 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 question, we have that:

$\mu = 28, \sigma = 6$