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Second opinion] In the United...

Second opinion] In the United States, the mean yearly precipitation in Toledo, Ohio is 51 inches. The yearly precipitation is normally distributed and the population standard deviation is 10.84 inches. If we randomly sampled 86 years, what is the probability that the mean precipitation is between 52 inches and 54 inches? (5 points)

μ

μ

= inches

σ

σ

= inches

=

P

(

P

(

)

)

Round answer to two decimal places Round answer to two decimal places

z

1

=

z

1

=

z

2

=

z

2

=

Now select your normal distribution curve with the correct fence(s) and shading and answer the questions below.

For this problem, will we use invNorm() or normalcdf()? Please explain.

Write answer as a percent rounded to two decimal places

P

(

P

(

)

)

= %

Express the answer in words by completing the following sentence below (lowest to highest).

The probability that between inches and inches is %.

μ

μ

= inches

σ

σ

= inches

=

P

(

P

(

)

)

Round answer to two decimal places Round answer to two decimal places

z

1

=

z

1

=

z

2

=

z

2

=

Now select your normal distribution curve with the correct fence(s) and shading and answer the questions below.

For this problem, will we use invNorm() or normalcdf()? Please explain.

Write answer as a percent rounded to two decimal places

P

(

P

(

)

)

= %

Express the answer in words by completing the following sentence below (lowest to highest).

The probability that between inches and inches is %.

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