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
GREYUIT [131]
3 years ago
15

The duration of routine operations at chicago general hospital has approximately a normal distribution with an average of 130 mi

nutes and a standard deviation of 12 minutes. what proportion of operations last at least 120 minutes
Mathematics
1 answer:
vredina [299]3 years ago
5 0

Answer:

79.77%

Step-by-step explanation:

P(X≥120) = normalcdf(120,1e99,130,12) = 0.7976716754 ≈ 0.7977 = 79.77%

Therefore, about 79.77% of operations last at least 120 minutes

You might be interested in
Find the value of all trigonometric functions of 135°
Vera_Pavlovna [14]

Answer:

sin (- 135°)= – sin 135°= – sin (1 × 90°+ 45°) = – cos 45° = – 1√2

cos (- 135°)= cos 135°= cos (1 × 90°+ 45°) = – sin 45°= – 1√2

tan (- 135°) = – tan 135° = – tan ( 1 × 90° + 45°) = – (- cot 45°) = 1

csc (- 135°)= – csc 135°= – csc (1 × 90°+ 45°)= – sec 45° = – √2

sec (- 135°)= sec 135°= sec (1 × 90°+ 45°)= – csc 45°= – √2

cot (- 135°) = – cot 135° = – cot ( 1 × 90° + 45°) = – (-tan 45°) = 1

Step-by-step explanation:

hope this helps

5 0
2 years ago
Hii guys plz help me
Delicious77 [7]

Answer:

B is the answer

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the distance between (0, 0) and (3, 4).
Orlov [11]

Answer:

L²=(3-0)²+(4-0)²

L²=9+16

L²=25

L=5units

5 0
3 years ago
An airline states that an airplane flight between two cities takes 2.5 hours. The airline also says that the actual flying time
tatiyna

Answer:

i do not know

Step-by-step explanation:

3 0
3 years ago
$7.825 per hour × $32.125 hours round answer to the thousandth of a dollar???​
xenn [34]
Correct it is right u have to multipl
4 0
4 years ago
Other questions:
  • How does the graph of mc016-1.jpg compare to the graph of the parent square root function?The graph is a horizontal shift of the
    9·1 answer
  • The Hundred Years War led to the end of the Middle Ages in the beginning of the
    10·1 answer
  • Any one knows this one plz
    6·2 answers
  • Can I get help with 1 & 2??
    15·1 answer
  • A student took a test which had 6 questions. He would score 8 points on the test if all his answers are correct. If y represents
    5·2 answers
  • Identify the following series as arithmetic, geometric, both, or neither.
    12·2 answers
  • Helppppp I have until 11:30 and it’s 10:36
    14·1 answer
  • WILL GIVE BRAINLIEST PLZ HELP FAST!!! Jacque estimates the square root of 125 in the following way:
    10·1 answer
  • The value of -4 5/8 x is positive.What are two possible values of x?
    13·1 answer
  • I’ll give brainless
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!