Blog

Suppose a random variable X has a mean of 112 and a standard deviation of 10 and a random variable Y has a mean of 36 and a standard deviation of 4. Assume X and Y are independent. What is the standard deviation of X – Y?

E. Dialogo.  Write the necessary Spanish word(s) to complete the dialogue below. ¡    ¿    ñ    á    é    í    ó    ú    Á    É    Í    Ó    Ú    Ñ 2. Beatriz:          Perdona,  ¿cómo te ____________________?       Andrés:          Me llamo Andrés.

I. Definite Article, Complete the following sentences with the correct Definite article.   3. _______ fotos son interesantes.

E. Dialogo.  Write the necessary Spanish word(s) to complete the dialogue below. ¡    ¿    ñ    á    é    í    ó    ú    Á    É    Í    Ó    Ú    Ñ   6. Eric:                    ¡Hola Andrés!        Andrés:           Mucho ____________________ Andrés.

A piece of dry ice (solid carbon dioxide) with a mass of 8.50 g is placed in a 10.0-L vessel that already contains air at 750 torr and 24 °C. After the carbon dioxide has totally sublimed, what is the total pressure in the container at 24 °C? Ideal gas constant, R = 0.08206 L-atm/mol-K.

K. ¿Qué hora es? Write out the time in complete statement. Do not forget to use the phrase in Spanish to describe it if is morning, afternoon or evening. ¡    ¿    ñ    á    é    í    ó    ú    Á    É    Í    Ó    Ú    Ñ   2). 12 a.m.  

Which of the following compounds would you expect to have the smallest bond polarity?

B. ¿Formal o informal? Listen to the following conversations and indicate if they are Formal or Informal.  

What is the hybridization of the central atom in GaH3?

C. Preguntas. Answer the questions in complete Spanish statement. Use the appropriate characters for Spanish language. ¡    ¿    ñ    á    é    í    ó    ú    Á    É    Í    Ó    Ú    Ñ