Correct answer is (a). An online research company puts out a survey asking people two questions. First, it asks whether they buy groceries online. Second, it asks whether they own a car or not. The data are collected and recorded in a contingency table. The company wants to determine if there is a relationship between buying groceries online and car ownership

Step-by-step explanation:

The chi-square distribution can be used to perform the goodness-of-fit test, Closeness of observed data to expected data of the model.

5 0

3 years ago

25 points!!! And brainliest!!! In an archery competition, one of the targets is created using round board with congruent square

8090 [49]

How big is the target in compound archery?

The target in a compound event is set at 50 metres. The target face is 80cm in diameter with the innermost 10-point ring 8cm in diameter. A barebow is the most primitive form of bow in archery, with archers allowed no stabilisers or sight pins to shoot at their targets.

4 0

2 years ago

For all values of x,<br> x² + 6x - 2 = (x+p)² + q<br> Find the value of p and the value of q.

Vlad [161]

Step-by-step explanation:

${x}^{2} + 6x - 2 = {x}^{2} + 2px + {p}^{2} + q$