Answer: The Z-value is a test statistic for Z-tests that measures the difference between an observed statistic and its hypothesized population parameter in units of the standard deviation. ... A mold with a depth of 12 cm has a Z-value of 2, because its depth is two standard deviations greater than the mean

Step-by-step explanation:

7 0

3 years ago

A spinner has the numbers 1-12 what is the probability of spinning a number less than or equal to 5

valkas [14]

Answer:

5/12

Step-by-step explanation:

Assuming the each number is equally likely

1,2,3,4,5,6,7,8,9,10,11,12

There are 12 numbers on the spinner

Number less than or equal to 5: 1,2,3,4,5

There are 5 choices

P ( # < = 5) = Number less than or equal to 5/ total

=5/12

5 0

3 years ago

Find the slant height of a cone whose height is 15 cm and whose radius is 8 cm

Oksana_A [137]

Answer:

Right circular cone

Solve for slant height

l=17cm

r Radius

h Height

4 0

3 years ago