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
natali 33 [55]
3 years ago
9

For women at hartford college, times to run 400 meters are normally distributed with a mean of 84 seconds and a standard deviati

on of 7 seconds. what percentage of the times are more than 91 seconds? more than 63 seconds?
Mathematics
1 answer:
pashok25 [27]3 years ago
4 0


z=(63-84)/3= -21/7= -3
P(x>63)=p(z > -3) = .9987 or 99.87%
You might be interested in
when jane uses her calling card overseas, the cost of a phone call is .75 for the first three minutes and. 12 for each additiona
artcher [175]
26 minutes, would = 3.51. if you add .12 to that it is 3.63.
so the most that she could talk would be 26 minutes.
7 0
3 years ago
Add my s. n. a. p. c. h. a. t. its kribbytheking i add back .
romanna [79]
Ahhh bet your a female right?
4 0
2 years ago
Which of the following is the graph of the equation y=3x^2-4x-2
I am Lyosha [343]

Answer:

stop

Step-by-step explanation:

(of an event, action, or process) come to an end; cease to happen.

example "his laughter stopped as quickly as it had begun"

3 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIEST
julsineya [31]

Answer: the third one

Step-by-step explanation: bcuz I’m Albert instine ;)

4 0
3 years ago
There are 10 decimeters in every meter. If a piece of fabric is 32 decimeters long, how long is it when measured in meters?
lara31 [8.8K]
10 dm = 1 m
32 dm = 32/10 = 3.2 m
Answer: 3.2 m
8 0
3 years ago
Other questions:
  • Jason takes 2 centimeter of medicine .jow many milliliter a is his?
    9·2 answers
  • –7x + 8y = 1
    14·2 answers
  • A shop has 8 different types of postcards and at least 13 of each type. how many selections of 12 postcards are there if
    10·1 answer
  • Solve for x<br> A) -2<br> B) 2<br> C) -4<br> D) 4
    14·1 answer
  • 5 + x = -2<br> I need work and answer!!!!
    13·2 answers
  • Question: Which set of directions correctly describes how to plot the point (6, 2) on the coordinate plane?
    15·1 answer
  • Im borxd wanna talk:)
    14·1 answer
  • consider the equation 6*e^0.25t = 9 solve the equation for t. express the solution as a logarithm in base-e
    11·1 answer
  • This<br> Is my questionnnnnnnnnnnnnnnnnnn ANSWER IT RIGHT REEEEEE
    10·2 answers
  • The last one is $30 which one ?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!