Listening Section Instructions: A narrator will talk about some topics from Chapter 1. For questions (1-4), listen to the audio and choose the correct answer according to the information. 

Clara ahora _____ orgullosa de lo que hace porque defiende las ideas en las que cree.

Patricio es un hombre inmaduro pero me ____ bien porque también es aventurero y es muy creativo.

¿Según el texto, por qué muchas personas se sentían mal consigo mismas?

Scores on the SAT form a normal distribution with a mean of µ = 500 and standard deviation of

Tom scores an X = 43 on an exam with a mean of µ = 52. Tom’s score is associated with a z-score of -1.80. What is the value for the exam standard deviation?

For a normal population with µ = 40 and

What proportion of a normal distribution is located between z = -1.75 and z = +1.75?

For a population with a standard deviation of

If sample size is n = 30 or greater, the distribution of sample means will also be normally shaped, regardless of the shape of the original distribution of scores.