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sergey [27]
3 years ago
11

Help........ASAP.............

Mathematics
2 answers:
sasho [114]3 years ago
6 0

3/5 because you have a probability of pulling 3 cards out of 5 cards

RoseWind [281]3 years ago
4 0

Answer:

3/5

Step-by-step explanation:

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Help please homework due tomorrow and I don't know how to do this
Furkat [3]
Number 1 is 0.2 and 0.4
number 2 is 0.53 and 0.56
number 3 is on the 0.3
number 4 is 1/3
number 5 is a little bit before the 0.7 mark
number 6 is 62/100
4 0
3 years ago
Read 2 more answers
A supervisor finds the mean number of miles that the employees in a department live from work. He finds x=29 and s=3.6 . Which s
qwelly [4]

Answer:

Option 3 is right

z37 is between 2 and 3 standard deviations of the mean.

Step-by-step explanation:

Let X be a random variable which represents the mean number of miles that the employees in a department live from work

X is normal (N(29,3.6)

WE have to find Z score for X

Z =\frac{x-29}{3.6}

=2.22

i.e. 37 is 2.22 std deviations from the mean.

In other words, z37 is between 2 and 3 standard deviations of the mean.

3 0
3 years ago
Assume that blood pressure readings are normally distributed with a mean of 123 and a standard deviation of 9.6. If 144 people a
Vanyuwa [196]

Answer:

The probability is 0.9938

Step-by-step explanation:

In this question, we are asked to calculate the probability that the mean blood pressure readings of a group of people is less than a certain reading.

To calculate this, we use the z score.

Mathematically;

z = (mean - value)/(standard deviation/√N)

From the question, we can identify that the mean is 125, the value is 123 , the standard deviation is 9.6 and N ( total population is 144)

Let’s plug these values;

z = (125-123)/(9.6/√144) = 2.5

Now we proceed to calculate the probability with a s score less than 2.5 using statistical tables

P(z<2.5) = 0.9938

8 0
3 years ago
What is the value of |-7| - |3|
Rudik [331]

Answer:

4 is the correct answer

Step-by-step explanation:

|-7| = 7

|3| = 3

7 - 3 = 4

3 0
2 years ago
Convert 12ft/min into mihr.
Elan Coil [88]

Answer:

12ft/min = 720ft/hr

Step-by-step explanation:

you just mulitply 12 by 60 because there are 60min in an hour.

5 0
3 years ago
Read 2 more answers
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