A random sample of 64 students at a university showed an average age of 25 years and a sample standard deviation of 2 years. The 98% confidence interval for the true average age of all students in the university is

Exhibit 6-2 The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. Refer to Exhibit 6-2. The probability of a player weighing more than 241.25 pounds is            

The Central Limit Theorem (CLT) is generally valid for:

La paciente tiene frío.   A.   Busque una farmacia. B.   Póngale una cobija. C.   Empiece los primeros auxilios ahora.

Los parientes están nerviosos.   A.   No se preocupen. B.   Paguen al doctor. C.   Vayan al cine.

The standard deviation of is usually called the

Otra vez en el hospital. The whole family is gathered at the hospital for Juanito’s surgery. Select the appropriate word to complete each sentence. A. nadie B. alguien C. también D. algunos E. ninguna   . No habla 97) __________ porque todos están pensando en la situación de Juanito después del accidente.

A.. tantas B. mejor C. más D. menos E. tanto como   Ella trabaja 79) ___________________ horas que yo.

La enfermera es __________.   A.   alto B.   simpática C.    jóvenes

Friends of Javi are describing his family. Complete what they say with an appropriate antonym. Pay attention to gender and number agreement. Kiko no es gordo sino [1]