Ahorse racing track knows that the proportion of its gamblers that report winning is 15%. for a random sample of 64 gamblers, what is the standard deviation for the sampling distribution of the sample proportions, rounded to three decimal 3?

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.