5.32 Comida rápida y gasolineras 40% de los estadounidenses que viajan en auto buscan gasolineras y mercados de alimentos que sean cercanos o visibles desde la carretera. Suponga que a una muestra aleatoria de n 25 estadounidenses que viajan en auto se les pregunta cómo determinan dónde detenerse para tomar alimentos y cargar gasolina. Sea x el número de la muestra que responden que buscan gasolineras y mercados de alimentos que sean cercanos o visibles desde la carretera. A. ¿Cuáles son la media y varianza de x? B. Calcule el intervalo m 2s. ¿Cuáles valores de la variable aleatoria binomial x caen en este intervalo? C. Encuentre P(6 x 14). ¿Cómo se compara esto con la fracción del intervalo m 2s para cualquier distribución? ¿Y para distribuciones en forma de montículo?

Points d and e are midpoints of the sides of triangle abc. the perimeter of the triangle is 48 units. what is the value of t? ο ο ο ο 7t +

What is the distance between (–2 1/2,-3) and (1, –3)?

You and three friends will be going out to eat at your favorite restaurant! each of you will order three items of your choice. you will also need to leave a tip. if you split the bill evenly among all four of you, how much will each person need to contribute? locate a menu for your favorite restaurant and pick three items for yourself and each friend. list the restaurant name, items, and prices in a table like the one below. in the column labeled subtotal, determine the cost of each person’s order. the customary tip is 20% of the total bill. in the column labeled tip, calculate the amount of tip each person should leave. in the column labeled total bill, determine the total of each person’s order, including the tip. restaurant name: names item 1 price item 2 price item 3 price subtotal tip total bill your name friend #1 friend #2 friend #3 part 2: questions answer the following questions, showing all work: what is the total cost of the entire bill (all four meals), including tip? write an expression using fractions to show how to determine the amount that each person will pay. then calculate each person's contributions showing all steps in long division. if each person paid an equal amount, who would save the most money? explain your reasoning using at least two complete sentences.