Una bandera se encuentra colocada en una asta sobre una columna de 8m de altura, desde la parte superior del asta de la bandera se extiende un cable de 18m de longitud , hasta un punto en el suelo a 15m de la base de la columna , desde el punto de unión entre el asta de la bandera y la parte superior del de la columna se extiende un segundo cable de 5m , paralelo al suelo y que se une al primero en un punto . Cuál es el la medida del asta de la bandera

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?