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Setler [38]
2 years ago
13

A skincare company posts advertisements via social media. The probability model describes the number of times the company may po

st in a day. Posts Made 0 1 2 3 4 5 P(X) 0.05 0.1 0.35 0.25 0.2 0.05 How many posts would you expect the company to post each day? (4 points) 3.4 3.05 2.6 2.45 2.1
Mathematics
2 answers:
scoundrel [369]2 years ago
7 0

Answer:

2.06

Step-by-step explanation:

the answer is the sum of all of the products of posts made by the P(X) under it.

also... I got it right on my quiz

solniwko [45]2 years ago
7 0

Answer:

It's 2.6

Step-by-step explanation:

Someone else put that it's 2.06 but it is actually 2.6

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Jacques wants to fit a scale model of this room on an 8.5” by 11” paper. What scale factor should he use? He wants to make the s
AleksAgata [21]

Answer:

1:20 scale should be perfect

Step-by-step explanation:

8 0
3 years ago
Chase baked 4/5 dozen brownies in 3 hours ? What is her average of baking per hour ?
loris [4]

Answer:

3\frac{1}{5}brownies per hour

Step-by-step explanation:

     Given parameters:

Number of brownies = \frac{4}{5} of a dozen

Time taken  = 3hrs

Unknown:

Average baking per hour = ?

Solution:

The average baking per hour;

    This is a rate problem;

     Average baking per hour = \frac{number of baking}{time}

Number of brownies = \frac{4}{5} x 12  = \frac{48}{5}

 Average baking per hour = \frac{48}{\frac{5}{3} }  

                                            = \frac{48}{5} x \frac{1}{3}

                                             = \frac{16}{5}

                                            = 3\frac{1}{5}brownies per hour

8 0
3 years ago
How many 2-digit numbers are multiples of 2 but not 4?
lana [24]
There are 23 such numbers. Here they are:

10
14
18
22
26
30
34
38
42
46
50
54
58
62
66
70
74
78
82
86
90
94
98
6 0
2 years ago
Sin x = 8 / 16<br> The choices are,<br> 90<br> 45<br> 30<br> 60
jeyben [28]

Answer:

don't know.. the only answer i could find is x = 1/2 or 0.5

Step-by-step explanation:

x = 8/16

8/16 = 1/2 or 0.5

x = 1/2 or 0.5

4 0
2 years ago
What's 28 feet 2 1/2 inches in meters?
Talja [164]
28ft\ 2\dfrac{1}{2}in\\\\1ft=12in\ therefore\ 28ft=28\cdot12in=336in\\\\28ft\ 2\dfrac{1}{2}in=336in+2.5in=338.5in\\\\1in=0.0254m\\\\28ft\ 2.5in=338.5in=338.5\cdot0.0254m\approx8.598m\approx8.6m
6 0
3 years ago
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