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defon
3 years ago
9

in Mr. Diaz's class, 20% of the students receive a grade A on there report cards. there are 25 students in mr. diazs class. how

many students got a grade a on there report card?
Mathematics
2 answers:
Len [333]3 years ago
8 0
20 percent of the student receive an A. There are 20 student.you would multiply 25x.20 which is 20 percent.equals 5. The answer is 5 students received an A
Rainbow [258]3 years ago
3 0
Five because 2o percent of 25 equals 5
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Step-by-step explanation:

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2 years ago
What two numbers add to 4 and multiply to 1
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3 years ago
Karan and Preeti are sharing a packet of sweets in the ratio of 2:3 .If the total sweets is 50,how many sweets will Preeti get
Viktor [21]

Answer:

30 sweets

Step-by-step explanation:

From the above question

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Karan : Preeti

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8 0
3 years ago
Suppose 2' is a normally distributed random variable with ft = 10.3 and 0 = 3.8. For the following probability,draw an appropria
TiliK225 [7]

GIVEN

The following values are given:

\begin{gathered} \mu=10.3 \\ \sigma=3.8 \end{gathered}

SOLUTION

The z-score for the x values 9 and 14 can be calculated using the formula:

z=\frac{x-\mu}{\sigma}

For x = 9:

\begin{gathered} z=\frac{9-10.3}{3.8} \\ z=-0.34 \end{gathered}

For x = 14:

\begin{gathered} z=\frac{14-10.3}{3.8} \\ z=0.97 \end{gathered}

The probability can be calculated as follows:

P(9\le x\le14)=Pr(-0.34The region that represents the solution is shown below:Therefore, the probability is given to be:[tex]P(9\le x\le14)=0.4671

The probability is 0.4671.

8 0
1 year ago
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