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alexira [117]
3 years ago
6

How many hundreds equals 50 tens?

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
6 0

Answer:

5 hundreds equals 50 tens.

Step-by-step explanation:

50 tens = 50 times 10 = 50(10) = 500

We need to find how many hundreds equals 500.

We can use place and find number of hundreds or we can divide 500 by 100 to find the number of hundreds.

If you look at the place value of 100, there is 5 in the hundreds place.

Therefore, there are 5 hundreds in 50 tens.

or

The number of hundreds = \frac{500}{100} = 5 hundreds.

Troyanec [42]3 years ago
5 0
5 hundreds is equal to 50 tens
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The complete question is shown on the first uploaded image  

Answer:

a

P(X < 4) =  0.4141

b

P(4 < X < 6) =   0.32876

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d

The correct option is  B

Step-by-step explanation:

From the question we are told that

  The mean is  \mu =  4.5

  The standard deviation is \sigma  =  2.3

Generally the  probability that a randomly selected study participant's response was less than 4 is mathematically represented as

       P(X < 4) =  P(\frac{X - \mu }{\sigma} < \frac{4 - 4.5}{ 2.3}   )

\frac{X -\mu}{\sigma} =  Z (The \  standardized \  value \  of\  X )

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     P(X < 4) =  P(Z < -0.217  )

From the z-table  P(Z < -0.217  ) =  0.4141

So

    P(X < 4) =  0.4141

Generally the probability that a randomly selected study participant's response was between 4 and 6 is mathematically represented as

     P(4 < X < 6) =  P( < \frac{4 - 4.5}{ 2.3}  < \frac{X - \mu }{\sigma} < \frac{6 - 4.5}{2.3})

=> P(4 < X < 6) =  P(  \frac{4 - 4.5}{ 2.3}  < \frac{X - \mu }{\sigma} < \frac{6 - 4.5}{2.3})

=>   P(4 < X < 6) =  P(  -0.217  < Z< 0.6522

=>   P(4 < X < 6) =   (Z< 0.6522) -P( Z <  -0.217)

From the z-table  

       (Z< 0.6522)  = 0.74286

So  

       P(4 < X < 6) =  0.74286 -0.4141

=>      P(4 < X < 6) =  0.74286 -0.4141

=>      P(4 < X < 6) =   0.32876

Generally the  probability that a randomly selected study participant's response was more than 8 is mathematically represented as

       P(X > 8) =  P(\frac{X - \mu }{\sigma} > \frac{8 - 4.5}{ 2.3}   )

        P(X > 8) =  P(Z > 1.52174  )

From the z-table  P(Z > 1.52174 ) =  0.064037

So

    P(X >8) =  0.064037

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