Find the indicated area under the curve of the standard normal distribution, then convert it to...

Question

Question

Find the indicated area under the curve of the standard normal distribution, then convert it to...

Find the indicated area under the curve of the standard normal distribution, then convert it to a percentage and fill in the blank.

About _____% of the area is between

zequals=negative 1.4−1.4

and

zequals=1.41.4

(or within

1.41.4

standard

deviationsdeviations

of the mean).Click to view page 1 of the table.

LOADING...

Click to view page 2 of the table.

LOADING...

About

nothing%

of the area is between

zequals=negative 1.4−1.4

and

zequals=1.41.4

(or within

1.41.4

standard

deviationsdeviations

of the mean).

(Round to two decimal places as needed.)

math Statistics-And-Probability

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Answer 1

Answer #1

Solution,

Using standard normal table,

P( -1.4 < Z < 1.4)

= P( Z < 1.4) - P( Z < -1.4)

= 0.9192 - 0.0808

= 0.8384

The percentage is = 83.84%

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Answer 2

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