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
Claim: most adults would erase all of their personal information online if they could. A software firm survey of 651 randomly se
Bess [88]

Answer:RTGrg

Step-by-step explanation:just need points lol sorry

7 0
3 years ago
Fernando will divide 0.24 by 4 to help him solve a math problem. Which model below could represent this math problem
balandron [24]

Answer:

So the model should represent either \frac{6}{100} or\frac{3}{50} (its equivalent and simplified form.

Step-by-step explanation:

1) Originally the question wants to represent this quotient as tiles.

So,\frac{\frac{24}{100}}{4} =\frac{24}{100} *\frac{1}{4} =\frac{6}{100}=

We can still simplify it, but since we're dealing with 100 x 100 squares let's keep it this way

2) So the model should represent either \frac{6}{100} or\frac{3}{50} (its equivalent and simplified form.

6 0
3 years ago
Find the area of following rhombuses. Round your answers to the nearest tenth if necessary.
Andrews [41]

Answer:

505.4 in²

Step-by-step explanation:

½d2= 19×tan 35° = 19×0.7 = 13.3 in

d2 = 2×13.3 = 26.6 in

d1 = 2×19=38 in

the area of Rhombus =

½×38×26.6 = 505.4 in²

3 0
3 years ago
You got to find the surface area​
vladimir1956 [14]

Answer:

156 sq. units

Step-by-step explanation:

divide the prism into 2D shapes using the net. Then, use the numbers to find the length and width. Multiply the length and width of each 2D shape. Finally, add all the numbers you got to get the sum of 156 sq. units.

7 0
3 years ago
OMG PLZZZZ HELP ME!! I NEED DA ASMWER ASAP!!
kogti [31]

Answer:

I am not sure but I would say rectangular prisim

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • If f(x) = - 2x^2 + 2x - 3, what is f(5)?
    7·1 answer
  • What's a + 0.3 = -2
    6·1 answer
  • Two dives are tossed once what is the probability that the sum is less than 7
    8·1 answer
  • 100oz= lb huuuuuu so hard
    15·2 answers
  • PLEASE HELP WILL GIVE BRAINLIEST, THANKS, AND STARS.
    5·1 answer
  • 7. If f(x) = 2x2 - x + 1, find f(2).
    8·1 answer
  • -6x – 2y – z=-17<br> 5x + y - 6z = 19<br> -4x – 6y - 6z=-20
    12·1 answer
  • UHHHHH I NEED HELP PLEASE
    15·1 answer
  • The straight-line L has equation 2x + y = 8. Find the gradient of L.<br><br>PLEASE HELP !!
    9·1 answer
  • What is the answer of 15-6a+9a-5 in combining terms?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!