PLEAS HELP WILL GIVE FREE BRAINLY AND 10 POINTS

Mathematics

2 answers:

vladimir2022 [97]3 years ago

8 0

Answer: Casey had the most votes.

Order from most to least: Casey (12/30), Bo (9/30), Avery (8/30), Daisy (1/30).

Step-by-step explanation:

We need to firstly get then all to have the same denominator.

15 * 2 = 30

4 * 2 = 8

Avery = 8/30

10 * 3 = 30

3 * 3 = 9

Bo = 9/30

5 * 6 = 30

2 * 6 = 12

Casey = 12/30

Daisy = 1/30

sasho [114]3 years ago

7 0

It’s casey. when compared to other fractions, it stands supreme.

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What 34.1 divided equals 22

Artyom0805 [142]

34.1 ÷ __ = 22
So lets think if we wanna find the missing number we have to divide 34.1 and 22 to get 1.55
So, the final answer is
34.1 ÷ 1.55 = 22
I hope this has helped!

6 0

3 years ago

Read 2 more answers

The time for a professor to grade an exam is normally distributed with a mean of 16.3 minutes and a standard deviation of 4.2 mi

dem82 [27]

Answer:

62.17% probability that a randomly selected exam will require more than 15 minutes to grade

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:

$\mu = 16.3, \sigma = 4.2$