Write y – 3 = (x – 6) in standard form.

Mathematics

2 answers:

Natalija [7]1 year ago

6 0

Answer:

$x - y = 3$

$y - 3 = (x - 6)$

in standard form

Diano4ka-milaya [45]1 year ago

4 0

Answer:

x-y=3

Step-by-step explanation:

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Suppose medical records indicate that the length of newborn babies(in inches) is normally distributed with a mean of 20 and a st

Nadusha1986 [10]

Answer:

P=0.954 or 95.4%

Step-by-step explanation:

Using the formula for the standardized normal distribution to find Z:

$Z=\frac{X-\mu}{\sigma}$

Where μ is the mean (μ=20) and σ is the standard deviation (σ=2.6).

$Z_{1} =\frac{14.8-20}{2.6}=-2.0$

$Z_{1} =\frac{25.2-20}{2.6}=2.0$

In the table of the normal distribution, we can look for positive values z, and these values are going to represent the area under the curve between z=0 and the values searched. the negatives values are found by symmetry (with the corresponding positive value but remember this area is under the left side of the curve). To find a value in the table, find the units in the first column and the follow over the same row till you find the decimals required.

$P_1=0.4772$

$P_2=0.4772$

$P_1$ represents the probability of length being between 14.8 and 20 (the mean) and $P_2$ represents the probability of length being between 20 and 25.2, The requested probability is the sum of these two.