Plz asap will give !

davina wanted to estimate the typical age of the residents in a retirement community. she asked the first 15 residents entering the exercise room for their ages. nine residents were under 80, and six residents were 80 or older.

is the sample likely to be biased?

yes, because the sample is not a census of the population.

no, because the sample is a random one.

yes, because the survey is biased against those who don't use the exercise room.

no, because not all of the 15 residents who were surveyed responded.

Most animals give birth during a general time of year. this is because animals naturally breed so that their young will be born at the time of year when there will be adequate food supply. the bar graph shows the number of live births of a jackrabbit native to california over the course of year x. based on the data, which of the following would be an appropriate conclusion? a) in general, rabbits give birth during the spring months b) in general, rabbits give birth during the summer months c) in general,m california jackrabbits give birth during the spring months d) in general, california jackrabbits give birth during the summer months

Consider the following equation -167 + 37 = 49 - 21p select the equation that has the same solution as the given equation. o a. p - 5 + ip = 7 - p ob. +55 + 12p = 5p + 16 c. 2 + 1.25p = -3.75p + 10 d. -14 + 6p = -9 - 6p reset next

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers