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maxonik [38]
3 years ago
7

The heights of green bean starter plants at a nursery are Normally distributed with a mean of 40 centimeters. If a green bean pl

ant that has a z-score of 1.67 has a height of 45 centimeters, then what is the standard deviation of this Normal distribution? Round your answer to the nearest hundredths.
Mathematics
2 answers:
LuckyWell [14K]3 years ago
8 0

Answer:

2.99 is correct

ED2021

krek1111 [17]3 years ago
6 0

Answer:2.99 on edge

Step-by-step explanation: i got the question wrong just for the answer hope this helps

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Some people took part in a game. The frequency shows information about their scores.
Marizza181 [45]

Answer:

The mean = 17.54

Step-by-step explanation:

Form a table as below;

<u>Interval         Frequency{f}      Midpoint of frequency{x}          fx    </u>

1-7                    19                         4                                            76

8-10                  14                         9                                            126

11-15                  15                         13                                           195

16-20                20                        18                                           360

21-35                 10                        28                                          280

36-50                13                         43                                          559

Sum                   91                                                                        1596

The mean  of grouped data = Sum of { Interval Midpoint * Frequency } /Sum of frequency

The mean= 1596 / 91

The mean = 17.54

5 0
3 years ago
If the spinner is spun 120 times, how many times would you expect it to land on red or orange?
alina1380 [7]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Help plz:)))I’ll mark u Brainliest
Alexxx [7]
They are based on SSS. They have the middle side which they share and is equal. And those other two lines also make those sides equal, so all sides are equal and they’re congruent
6 0
3 years ago
How do you graph D? PLz explain. HELPPPPPPPPPPPPPPP
yanalaym [24]
See the attached image for the graph. Specifically figure 2 is the graph you want. You can leave the red points on the graph or decide to erase them (leave behind the blue line though). 

To generate each of the red points, you'll plug in various x values to get corresponding y values.

For instance, plug in x = 0 and we get...
y = -|x-6| - 6
y = -|0-6| - 6
y = -|-6| - 6
y = -6 - 6
y = -12
So when x = 0, the y value is -12. The x and y value pair up to get (x,y) = (0,-12)

Another example: plug in x = 2
y = -|x-6| - 6
y = -|2-6| - 6
y = -|-4| - 6
y = -4 - 6
y = -10
So the point (2,-10) is on the graph

The idea is to generate as many points as possible so we get an idea of what this thing looks like. 

Generate enough points, and you'll get what you see in Figure 1 (see attached image)

Then draw a line through all of the points. The more points you use, the more accurate the drawing. Doing that will generate the blue function curve you see in Figure 2 (also attached)

3 0
3 years ago
Read 2 more answers
How much greater is the 5 in the hundreds place than the 5 in the tens place
Whitepunk [10]
The five in the hundreds place is 10 times grater than the five in the tenths place 
7 0
3 years ago
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