(Answered) 1 a normal distribution

Statistics

1) A normal distribution has μ = 28 and σ = 5.

(a) Find the z score corresponding to x = 23.

(b) Find the z score corresponding to x = 41.

(d) Find the raw score corresponding to z = 1.7.

2) Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

μ = 15.8; σ = 3.8

P(10 ≤ x ≤ 26) =

3) Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

μ = 38; σ = 15

P(50 ≤ x ≤ 70) =

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M93127159
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?

Related Questions in Statistics and Probability

Question 1 the us census bureau needs to estimate the

Question 1. The U.S. Census Bureau needs to estimate the median income of females in the U.S. They collect incomes from 3500 females. Choose the best answer. Justify for full credit. (a) Which of the followings is the va ...

David barnes and his fianceacutee valerie shah are visiting

David Barnes and his fiancée Valerie Shah are visiting Hawaii. There are 38 guests registered for orientation. It is announced that 20 randomly selected registered guests will receive a free lesson of the Tahitian dance. ...

On average the parts from a supplier have a mean of 975

On average, the parts from a supplier have a mean of 97.5 inches and a standard deviation of 12.2 inches. Find the probability that a randomly selected part from this supplier will have a value between 85.3 and 109.7 inc ...

For an environmental group it is known that 75 of their

For an environmental group, it is known that 75% of their door-to-door solicitations result in a donation of some kind. Find the probability that... (Hint: first determine what is a 'success' and what is a 'failure' base ...

In a certain state pickup trucks account for 21 of the

In a certain? state, pickup trucks account for 21?% of the? state's registered vehicles. If 100 registered vehicles are selected at? random, what is the expected number of pickup? trucks?

There are 3 orange balls and 17 blue balls that are in a

There are 3 orange balls and 17 blue balls that are in a bag. A person reaches into the bag, without looking, and pulls one of the balls out of the bag. What is the probability that the ball is orange?

1the r-squared of a linear regression model is equal to the

1)The R-squared of a linear regression model is equal to the proportion of the variance of the target explained by a linear regression model. 2). The R-squared of a linear regression model is equal to the proportion of t ...

Emmons corporation has a 02 probability of a return of 054

Emmons Corporation has a 0.2 probability of a return of 0.54, a 0.3 probability of a rate of return of 0.05, and the remaining probability of a 0.1 rate of return. What is the variance in the expected rate of return of E ...

The number of stomata tiny openings on the leaves of a

The number of stomata (tiny openings) on the leaves of a particular mutant of Arabidopsis (a common experimental plant) is known to be approximately normally distributed with mean 75 and variance 49. What is the probabil ...

Great start to our discussion on short term planning and

Great start to our discussion on short term planning and the operating and cash cycles. talk about if every businesses have similar operating cycles? If not give examples of how and why they are different? Give referen ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert