1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
BaLLatris [955]
1 year ago
5

The average time it takes a certain brand of ibuprofen to start working is 25 minutes, with a standard deviation of 13 minutes,

distributed normally. A pharmacist randomly samples 20 pills from this brand, because she is researching different brands in order to find the quickest acting ibuprofen to recommend to her customers. Identify the following to help her make her recommendations, rounding to the nearest hundredth if necessary:
Mathematics
1 answer:
Sunny_sXe [5.5K]1 year ago
7 0

The following to help her make her recommendations.

\mu = 25 min

\sigma=  13 min

n= 20.

\mu_{\bar{x}}=\mu = 25 min

<h3>What is standard deviation?</h3>

An indicator of how much a group of numbers vary or are dispersed is the standard deviation. When the standard deviation is low, the values tend to fall within a narrow range of the set's mean, but when it is large, the values tend to deviate from that mean more.

<h3>According to the given information:</h3>

The random variable X should stand in for how long it takes for a specific brand of ibuprofen to start working.

(a)

A certain brand of ibuprofen typically starts acting after 25 minutes.

Which is. \mu = 25 min

(b)

A specific brand of ibuprofen has a 13-minute standard variation for when it begins to work.

Which is. \sigma= 13 min

(c)

A pharmacist has chosen a 20-piece sample.

Which is. n= 20.

(d)

The sample means' mean is:

\mu_{\bar{x}}=\mu = 25 min

To know more about standard variation visit:

brainly.com/question/16964407

#SPJ4

I understand that the question you are looking for is:

The average time it takes a certain brand of ibuprofen to start working is 25 minutes, with a standard deviation of 13 minutes, distributed normally. A pharmacist randomly samples 20 pills from this brand, because she is researching different brands in order to find the quickest acting ibuprofen to recommend to her customers. Identify the following to help her make her recommendations, rounding to the nearest hundredth if necessary:

a. mu = ______ minute

b. sigma = ______ minute

c. n = ______

d. mu-x = _______ minute

You might be interested in
Marco states that 7.696696669…… is a rational number because it is a repeating decimal. Is he correct? Justify your answer.
Allisa [31]

Answer:

no because at the end it is 669 not 696 so it is not repeating decimal

3 0
3 years ago
Read 2 more answers
Choose each number that shows 1/2 % as an equivalent fraction, decimal, or percent. Select all that apply.
stepladder [879]

Answer:

(1/2)% = 0.5% =0.5/100 = 0.005

=> Option E is correct.

Hope this helps!

:)

7 0
3 years ago
Read 2 more answers
Which is the best estimate for 10 drops of liquid?
Fynjy0 [20]

Answer:

The answer is a A. I just took a short test about it.

Step-by-step explanation:

plz give brainliest and rating

7 0
3 years ago
What is the area of this? Please help
Slav-nsk [51]

Answer:

<u>364 cm²</u>

Step-by-step explanation:

Area of the figure :

  • Area (triangle) + Area (rectangle 1) + Area (rectangle 2) + Area (rectangle 3)
  • 1/2 x 20 x 14 + 12 x 9 + 7 x 3 + 19 x 5
  • 140 + 108 + 21 + 95
  • 248 + 21 + 95
  • 269 + 95
  • <u>364 cm²</u>

3 0
2 years ago
Read 2 more answers
If the foci of an ellipse are the same ordered pair, is the comic a circle?
Firdavs [7]

Answer:

yes

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • 1<br> If x= - 2, the value of the expression 5x² – 3x + = is<br> (Type an integer or a decimal.)
    6·1 answer
  • If you answer 1,2,3,4 correctly I will give brainliest
    10·1 answer
  • What is 3/5 15 value
    6·1 answer
  • How can a cyclist minimize friction as he or she rides?
    11·1 answer
  • Tyreese is using algebra tiles to solve the equation below.
    8·2 answers
  • What is the size of a plane
    8·2 answers
  • Convert to slope intercept form<br><br> 2x-5y=11
    13·2 answers
  • If you can answer 10, 11, and 12 for me that would be awesome. (12 multiply choice would be in the comments)
    8·1 answer
  • Scale of a map is one ratio 1000 a PS4 centimeters by 3 cm what is the area in centimeter cubic a meter cubic
    15·1 answer
  • Need help plz with this if nobody don’t mind
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!