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
SashulF [63]
3 years ago
14

Given a mean of 61.2 and a standard deviation of 21.4, within how many standard deviations of the mean do the values 45,78,62,90

, and 31 fall?
a.0
b.1
c.2
d.3
Mathematics
2 answers:
vovangra [49]3 years ago
7 0
2 standard deviations or c
givi [52]3 years ago
5 0
The answer is C. ^^^
You might be interested in
80 members decreased by 65%
LekaFEV [45]
Do a proportion
65/100= x/80

Cross multiply and divide
80 x 65= 5, 200
5, 200 divided by 100 is 52
52 members left
80-52= 28
Answer is 28 members
5 0
3 years ago
Which is the graph y = (x + 2) squared minus 3 ?
algol13

Answer:

I believe it's B

Step-by-step explanation:

On a coordinate plane, a parabola opens up and goes through (negative 3.75, 0), has a vertex at (negative 2, negative 3), and goes through (0, 1).

3 0
2 years ago
Please someone answer this
kirill [66]

Answer:

option 2.

the others are simultaneous equations in two unknowns but 7x-2y have the same value and the value can't be two different things at once

4 0
2 years ago
The product of two numbers is 2400 iftheir LCM is 120 find their LCM.... BY STEPS!!..... ​
aliina [53]

Answer:

60 and 40 or 120 and 20

Step-by-step explanation:

60 x 2=120

40 x 3=120

60 x 40=2400

120 x 1=120

20 x 6=120

120 x 20=2400

You can try a few others, but no others have an lcm of 120

4 0
3 years ago
ivan has 6 times as many blue beads as red beads. he has 49 red and blue beads in all. how many blue beads does he have
sasho [114]
7 blue 42 reds
...............
6 0
3 years ago
Other questions:
  • For the conjecture "The average rent of an apartment is more than $850 per month," the alternative hypothesis is:
    8·1 answer
  • 2 is 4% of what number?
    5·1 answer
  • Round 2.85 tons to the nearest hundredth
    6·1 answer
  • Which algebraic expression is a polynomial with a degree of 5?
    9·2 answers
  • Which is right??????
    12·1 answer
  • Bob did chores for his neighbor. The first day he earned $8. Then he earned $10 a day for
    8·1 answer
  • A battery with
    12·2 answers
  • A bottle and a cap together cost $1.10. The bottle costs $1 more than the cap. How much does each cost?
    15·1 answer
  • Write the decimal as a percent
    14·2 answers
  • Lin cooked a pot of soup, then put half the soup in the freezer for a while. Now the soup in the pot is hot, and the soup in the
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!