jennabby
contestada

Suppose a study estimated that 62% of the residents of a community (with an
error range of +9 percentage points at 95% confidence) favor replacing the
playground equipment. Which of the following percentages of the
community's residents may favor replacing the playground equipment?

Suppose a study estimated that 62 of the residents of a community with an error range of 9 percentage points at 95 confidence favor replacing the playground equ class=

Respuesta :

joy123333

Answer:

D. 55%

Step-by-step explanation:

The error range ± 9% means that the range is 9% below 62% or 9% above 62%.

The range is:

(62% - 9%) to (62% + 9%)

53% to 71%.

The only answer between 53% and 71% is 55%.

Answers A, B, C are all greater than 71%.

Otras preguntas