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grandymaker [24]

2 years ago

6

Which of the following can be reasonably modeled by a normal distribution?

1 answer:

lina2011 [118]2 years ago

3 0

Answer:

A)The favorite colors of students in a kindergarten class

B)The heights of tomato plants that were all planted on the same day

E)The parental guidance ratings (G, PG, PG-13, R) of movies filmed in 2019

Step-by-step explanation:

A normal distribution is defined as a bell-shaped distribution curve were most values of the data seem to cluster around the mean.Data for intelligence, height , blood pressure, students reports, shoe sizes, birth weight, income of citizens, technical stock market, rolling a dice, tossing a coin e.t.c are examples of situations that will give data which can be modeled by a normal distribution.In this case, the central limit theory applies, where various independent factors will influence a specific trait.

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Given: LMNB is a square, LM = 20cm, P∈ LM , K ∈ PN , PK = 1 5 PN, LP = 4 cm Find: Area of LPKB

Bad White [126]

Answer:

80 cm²

Step-by-step explanation:

Trapezoid LPKB has area ...

A = (1/2)(b1 +b2)h = (1/2)(4 +20)(20) = 240 . . . . cm²

Triangle BPN has area ...

A = (1/2)bh = (1/2)(20)(20) = 200 . . . . cm²

Triangle BKN has a height that is 4/5 the height of triangle BPN, so will have 4/5 the area:

ΔBKN = (4/5)(200 cm²) = 160 cm²

The area of quadrilateral LPKB is that of trapezoid LPNB less the area of triangle BKN, so is ...

240 cm² - 160 cm² = 80 cm²

6 0

2 years ago

You are checking the intermediate results of a phone app that calculates the weight of an object in kilograms given the weight i

Illusion [34]

The wrong step is step 4, because you only need one conversion.

The formula to convers pounds to kilograms is

$\text{weight in pounds} = 2.2 \times \text{weight in kilograms}$

Obviously, the inverse formula is

$\text{weight in kilograms} = \cfrac{\text{weight in pounds}}{2.2}$

So, you're given an input of 142 pounds. To convert it in kilograms, plug that value into out formula:

$\text{weight in kilograms} = \cfrac{142}{2.2} \approx 64.5$

and this is the answer you're looking for, so you need no more steps.

4 0

2 years ago

Pooja's plant began sprouting 2days before Pooja bought it, and she had it for 98 days until it died. At its tallest, the plant

taurus [48]

Given that function H(t) models the height of Pooja's plant (in centimeters) where t is the number of days after she bought it.

Now we have to find about which number type is more appropriate for the domain of h. That means what values can be taken by the variable "t".

Since t is number of days not the hours so t will not use decimal or fraction values. It can use integer values for the number of days.

Since time is counted after she bought the plant then number of days will be positive.

Hence answer for the type of domain can be positive integers or you can say integers greater than or equal to 0.

4 0

2 years ago

Read 2 more answers

HELP!!!!!!<br><br> y = 6kx - 2; m = 2/3

Mrrafil [7]

Answer:

k=1/9

Step-by-step explanation:

6k is the slope , and you actual slope(m) is given, hence,make em equal to each other:

6k = 2/3

k = 2/3(6) [Divide both sides by 6]

k = 1 /9 [Simplify]

Hope this helps!

Mark brainliest if you think I helped!

Would really appreciate!

7 0

2 years ago

40 POINTS!!!!! A submarine descends to 1/6 of its maximum depth. Then it descends another 2/3 of its maximum depth. If it is now

tia_tia [17]

Its max is 780

2/3 + 1/6 = 5/6

650/5=130

650+130=780

4 0

2 years ago