a-researcher-claims-that-the-distribution-of-peoples-preferred-grocery-shopping-

Question

A researcher claims that the distribution of people’s preferred grocery shopping methods has changed from a past survey. According to the past survey, the distribution was:

In-store shopping: $50 percent sign$

Online pickup: $20 percent sign$

Home delivery: $15 percent sign$

Subscription service: $15 percent sign$

To test this claim, a sample of $400$ people was surveyed with the following results:

Table displaying survey results of grocery shopping methods: In-store shopping 180, online pickup 90, home delivery 70, subscription 60.

Decide whether to reject or fail to reject the null hypothesis if $alpha equals 0.05$ .

Accepted Answer

$chi squared equals 4.92$ ; fail to reject the null hypothesis

Answer

$chi squared equals 4.92$ ; reject the null hypothesis

Answer

$chi squared equals 4.92$ ; reject the null hypothesis

Answer

$chi squared equals 4.92$ ; fail to reject the null hypothesis