Two versions of a rapid Covid test were trialled and the results are below

Version 1 of the Covid test

	Test result
	test positive	test negative	Total
Person has Covid	900	100	1000
Person does not have coivd	200	800	1000

p-value 0.000

Version 2 of the Covid test

	Test result
	test positive	test negative	Total
Person has Covid	800	200	1000
Person does not have coivd	300	700	1000

p-value 0.000

a) Describe the relationship between the variables just looking at the results for version 1 of the test

b) Which version of the test is better? give a reason for you answer

c) Explain what that p-value is measuring and make a conclusion using the pvalue for version 1