Question

Asked Dec 28, 2019

1 views

I'm having trouble finding probabilities and z values.

Step 1

**Given info:**

The mean and standard deviation of the distribution are, *µ _{x̄}*=20 and σ=26 respectively.

Step 2

**(b) Computation of z value corresponding to **

The *z* value corresponding to *x̄*=17 is obtained as **−2**, from the calculations given below:

Step 3

**(c) Computation of P(**

The value of *P*(*x̄*<17) is obtained as **0.0228** (rounded to four decimal places),...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: Interpreting Weather While this exercise was being created, Weather.com indicated that there was a 6...

A: Given that,There was a 60% chance of rain for the author’s home region.

Q: In Exercises 9–20, use the data in the following table, which lists drive-thru order accuracy at pop...

A: a. From the given information,

Q: Voluntary Response Data If we have a large voluntary response sample consisting of weights of subjec...

A: Voluntary response sampling:In this type of sampling the subjects or the respondents voluntarily res...

Q: Consider the following hypothesis test. : : The following results are for two independent samples t...

A: a)The value of the test statistic is obtained as follows:

Q: What’s Wrong? Heights of adult males are known to have a normal distribution, as described in this s...

A: The table shows the relative frequency distribution of male heights in centimeters.

Q: In Exercises 21–28, determine which of the four levels of measurement (nominal, ordinal, interval, r...

A: In nominal level of measurement numbers in the variable are used to only classify the data. Simply w...

Q: In Exercises 9–12, assume that 50 births are randomly selected. Use subjective judgment to describe ...

A: From the given information, there are 50 births. In 50 births, there are 23 girls.Let us consider ha...

Q: Critical Thinking. For Exercises 5–20, watch out for these little buggers. Each of these exercises i...

A: The data shows the jersey numbers of 11 players from the roaster of the Seattle Seahawks when they w...

Q: In Exercises 21–28, determine which of the four levels of measurement (nominal, ordinal, interval, r...

A: Nominal: Nominal scale is a data type which is used for labelling the categories without any natural...