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Lana71 [14]
3 years ago
12

The average THC content of marijuana sold on the street is 11%. Suppose the THC content is normally distributed with standard de

viation of 1%. Let X be the THC content for a randomly selected bag of marijuana that is sold on the street. Round all answers to 4 decimal places where possible,
b. Find the probability that a randomly selected bag of marijuana sold on the street will have a THC content greater than 9.6? ____

C. Find the 66th percentile for this distribution. ____%
Mathematics
1 answer:
zloy xaker [14]3 years ago
6 0

Answer:

:(

Step-by-step explanation:

I am soo Sorry, its too hard

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The nine ring wraiths want to fly from barad-dur to rivendell. rivendell is directly north of barad-dur. the dark tower reports
Verdich [7]

Velocity of the ring wraiths relative to the air:

\vec v_{W/A}=(v_{W/A}\cos45^\circ,v_{W/A}\sin45^\circ)=\left(\dfrac{v_{W/A}}{\sqrt2},\dfrac{v_{W/A}}{\sqrt2}\right)

The speed v_{W/A} is what we want to find - this is the speed at which the wraiths are flying in the air.

(Note: \vec v denotes velocity, while v denotes speed)

Velocity of air relative to the ground:

\vec v_{A/G}=((69\,\mathrm{mph})\cos180^\circ,(69\,\mathrm{mph})\sin180^\circ)=(-69,0)\,\mathrm{mph}

The ring wraiths want their trajectory to be due north, which means their velocity relative to the ground should be

\vec v_{W/G}=(v_{W/G}\cos90^\circ,v_{W/G}\sin90^\circ)=(0,v_{W/G})

To an observer on the ground, v_{W/G} is the speed at which the wraiths would appear to be moving in the air.

The relative velocities satisify

\vec v_{W/A}+\vec v_{A/G}=\vec v_{W/G}

\implies\begin{cases}\dfrac{v_{W/A}}{\sqrt2}-(69\,\mathrm{mph})=0\\\\\dfrac{v_{W/A}}{\sqrt2}=v_{W/G}\end{cases}

\implies v_{W/A}=69\sqrt2\,\mathrm{mph}\approx98\,\mathrm{mph}

5 0
3 years ago
22. The product of two negative integers is the largest 2-digit number. If one of the numbers
natulia [17]

Answer:

x = -9

Step-by-step explanation:

Let unknown number = x

Largest 2-digit number  = 99

x * (-11) = 99

         x = 99 ÷ (-11)

       x = -9

4 0
3 years ago
Read 2 more answers
7. Let f(x) = 3x and g(x) = (x + 2)^2. Find the value of (f og)(-5)
Keith_Richards [23]

Answer:

plz mark brainliest

thank u

3 0
3 years ago
Simplify (Remember to simplify means to write an equivalent expression that uses each variable on')
DaniilM [7]

Answer:

A) x^{3} y^{4}

B) -\frac{5x^{2} }{y}

C) 9m^{4}n^{4}

D)\frac{1}{x^{3} }

Step-by-step explanation:

Hope this helps.

6 0
2 years ago
Look at the histogram below which data set could be represented by the histogram
Anon25 [30]

Answer:

Option 4 is correct

Step-by-step explanation:

Here, we want to select from the options, the dataset that is represented on the histogram

From what we have in the question, there is a range from 60 to 100

Also, there are no terms between 70 and 80

option 1 is wrong as we can see terms between 70 and 80

option 2 is also wrong for this reason

option 3 is incorrect ; looking at the frequency, the numbers between 60 and 70 should be 5 only and we have 6 in that set

Option 4 is the correct answer

4 0
3 years ago
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