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2 years ago

8

4. The probability that a student is in a category can be approximated by the relative frequency. To the nearest hundredth, what

is the probability that a randomly selected student is a girl who wants to go skating?

1 answer:

LuckyWell [14K]2 years ago

6 0

4.6666666666667 or 4.7 is it multiple choice?

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Find the values of the mode when median is given to be 5 and mean is 7.

Reil [10]

Answer:

<u>Mode = 1</u>

Step-by-step explanation:

<u>Relation between the Central Measures of Tendency</u>

Mean, Median, and Mode are commonly referred to as the Central Measures of Tendency
The formula between the three is given by :
⇒ <u>Mode = 3Median - 2Mean</u> or <u>Mode + 2Mean = 3Median</u>

<u></u>

<u>Solving</u>

We know that :

Median = 5
Mean = 7

Therefore,

Mode = 3(5) - 2(7)
Mode = 15 - 14
<u>Mode = 1</u>

5 0

2 years ago

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According to The Wedding Report, Inc., the mean cost for a wedding in the United States is $28732 (as of November 2008). Suppose

Stella [2.4K]

Answer:

Following are the solution to the given points:

Step-by-step explanation:

$X = \text{cost of wedding}\sim \text{Normal}\ (\mu = 28732, \sigma= 1500)\\\\$

For point a:

$Probability\ = 0.00000359\\\\ \text{(Using Excel function:} =NORMDIST(22000,28732,1500,1)).$

For point b:

$Probability \ = 0.014678\\\\\text{(Using Excel function:} =1-NORMDIST(32000,28732,1500,1))\\\\$

For point c:

$Probability\ = 0.794614436 \\\\$

$\text{(Using Excel function:} \\=NORMDIST (30000,28732,1500,1)-NORMDIST(25000,28732,1500,1))\\\\$

For point d:

$Q_1 = 27720.26537 \\\\\text{(Using Excel function:} =NORMINV(0.25,28732,1500)) \\\\Q_3 = 29743.73463 \\\\\text{(Using Excel function:} =NORMINV(0.75,28732,1500)).$

For point e:

$IQR = Q_3 - Q_1 = 29743.73463 - 27720.26537 = 2023.469251.$

For point f:

$Top\ 10\% = 30654.32735 \\\\\text{(Using Excel function:} =NORMINV(0.9,28732,1500)).$

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2 years ago

Need help please... In gym class, you run 3/5 mile. Your coach runs 10 times that distance each day. How far does your coach run

vovangra [49]

3/5 x 10= 6 miles because coach runs 10 times what you run

7 0

3 years ago

..........................

Rainbow [258]

Option A

x+8=-3
x+8-8=-3-8
x=-11

Hope I didn't mess up for your sake!

7 0

3 years ago

How long would it take to travel 924 miles at the rate of 42 miles per hour? A12 h B22 h C24 h D42 h asap plz

just olya [345]

Your answer is B22
924/42=22

3 0

3 years ago

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