Probability and Statistics

Mathematics

1 answer:

Rainbow [258]3 years ago

6 0

Answer:

Step-by-step explanation: if you want to obtain the probability that x $\leq$ -3 , then you need to add the probability for the cases x=-3 and x=-5.

p=0.13+0.17= 0.3

answer=0.3

You might be interested in

What is the greatest common factor of 6 and 8?

blagie [28]

The greatest common fact is 2

8 0

3 years ago

Read 2 more answers

Which statement best describes the relationship between x and y in the graph?

Ira Lisetskai [31]

Y is 2 less than X because one point of the graph is (0,2), and 2 is greater than 0.

6 0

3 years ago

A survey of 25 randomly selected customers found the ages shown (in years). The mean is 32.64 years and the standard deviation i

____ [38]

Answer:

See below for answers and explanations

Step-by-step explanation:

Part A

Assuming that conditions have been met for the interval, we use the formula $\displaystyle CI=\bar{x}\pm t\frac{s}{\sqrt{n}}$ where $\bar{x}$ represents the sample mean, $t$ represents the critical value, $s$ represents the sample standard deviation, and $n$ is the sample size.