23. Following an advertising campaign, we wanted to verify whether the percentage of people who said they knew about Axcedull soap (40%) had remained the same. Out of 1000 people interviewed, a total of 430 people said they knew about Axcedull soap. Can we say with 90% confidence that the percentage of people who know about Axcedull soap has not changed significantly? Options for question 23:

The number of people who know about Axcedull soap has not changed significantly at the 10% significance level since the calculated proportion of success p is greater than the upper critical P value of 0.4255.

The number of people who knew about Axcedull soap changed significantly at the 10% significance level since the calculated proportion of success p is less than the upper critical P value of 0.4445.

The number of people who know about Axcedull soap has changed significantly at the 10% significance level since the calculated proportion of success p is lower than the upper critical P value of 0.4399.

The number of people who know about Axcedull soap has changed significantly at the 10% significance level since the calculated proportion of success p is greater than the upper critical P value of 0.4199.

The number of people who know about Axcedull soap has changed significantly at the 10% significance level since the calculated proportion of success p is greater than the upper critical P value of 0.4255.

The number of people who knew about Axcedull soap did not change significantly at the 10% significance level since the calculated proportion of success p is less than the upper critical P value of 0.4445.

The number of people who knew about Axcedull soap did not change significantly at the 10% significance level since the calculated proportion of success p is lower than the upper critical P value of 0.4399.

The number of people who knew about Axcedull soap did not change significantly at the 10% significance level since the calculated proportion of success p is greater than the upper critical P value of 0.4199.