VIDEO 2

A manufacturer knows that 8% of items produced are defective. If a quality control inspector randomly selects 25 items, what is the probability that exactly 3 are defective?

VIDEO 2 QUESTIONS   Decide if what is said in each sentence is cierto (C) or falso (F), according to this episode. 1. [1] Ana y Conchita comen en la casa de Pedro Juarez.2. [2] Ana es muy curiosa.3. [3] El tío de José no tiene esposa.4. [4] Los padres de José viven en Coyoacán.5. [5] José tiene tres hermanos.6. [6] Los hermanos de Francisco son lindos y cariñosos.

What does a significant ANOVA result tell you? ✨TIP: Significant ANOVA = “a difference exists,” not “where the difference is.”

Why should ANOVA be used instead of multiple t-tests when comparing several groups?

A call center has a 30% chance that any incoming call results in a sale. If a representative handles 15 calls, what is the probability of getting at least 5 sales?

Which of the following statements correctly distinguishes the binomial distribution?

What is the probability that a randomly selected customer will wait between 80 and 95 minutes for his or her tires to be installed?

You stir together 15 mL of vegetable oil and 15 mL of vinegar (aqueous acetic acid solution) in a beaker and then allow the mixture to sit for thirty minutes. The density of vinegar is 1.0492 g/mL and density of vegetable oil is 0.8508 g/mL. Which 50 mL beaker’s diagram and label shows what you observe at the end of thirty minutes?  

When vinegar is mixed with baking soda, the solution gets cloudy and fizzes.What indicates that a chemical reaction happened?