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san4es73 [151]
2 years ago
11

NO LINKS!!!Please help me with these ​

Mathematics
1 answer:
german2 years ago
7 0

Answer:

\textsf{If }\: X \sim\textsf{N}(\mu,\sigma^2)\:\textsf{ then }\: \dfrac{X-\mu}{\sigma}=Z, \quad \textsf{where }\: Z \sim \textsf{N}(0,1)

Therefore,

\textsf{If }\: X \sim \textsf{N}(33,4^2)\:\textsf{ then }\: \dfrac{X-33}{4}=Z, \quad \textsf{where }\: Z \sim \textsf{N}(0,1)

X=29 \implies Z=\dfrac{29-33}{4} \implies Z= -1

X=41 \implies Z=\dfrac{41-33}{4} \implies Z=2

X=25 \implies Z=\dfrac{25-33}{4} \implies Z=-2

No given lifespan is unusual, as they are all within 3 standard deviations of the mean.

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Isabel is running for president of the chess club, and she received 33 votes. There are 60 members in the club. What percentage
iVinArrow [24]

Answer:

55%

Step-by-step explanation:

(Received number of votes/Total number of votes)100%

=(33/60)100%

=(11/20)100%

=(0.55)100%

=55%

Therefore, 55% of the club members voted for Isabel.


4 0
3 years ago
What is the mean,median,mode(s) an range if the numbers are 15,30,17,15,24,31,15
Phoenix [80]
The mean is 21.  The median is 15.  The mode is 15.  The range is 16.
7 0
3 years ago
Read 2 more answers
Help me pwes I need it.
MA_775_DIABLO [31]

Answer:

1/10

when you do the LCM you get 70

divide each fraction by 70 and you will get the least to be a tenth

6 0
2 years ago
An online t-shirt store is having a sale. The original price of each t-shirt is p dollars. The store sells 20 t shirts and earns
SVETLANKA909090 [29]
20 (p-3) is the anwser
3 0
3 years ago
Rewrite 48 + 60 using the distributive property
Flauer [41]

Answer:

12* ( 4+5)

Step-by-step explanation:

48 = 12 * 4

60 = 12 * 5

48 + 60 = 12*4 + 12*5

             = 12*( 4 + 5)

            = 12* 9

            = 108

3 0
3 years ago
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