Answer:
900 sample size
Step-by-step explanation:
To determine the sample size for a proportion, the margin of error formula is used to determine this:
Where p is the proportion, E is the margin of error, n is the sample size, q = 1 - p, is the z score.
Since the proportion is not known, the sample size needed to guarantee the confidence interval and error is at p = 0.5 and q = 1 - p = 1 - 0.5 = 0.5
E = 5% = 0.05, = 3. Hence:
4.23 quarts, just convert it
Answer:
i justr f arted really loud LOL
Step-by-step explanation:
Answer:
a) The main idea to solve this exercise is to use the identity , where and are two square matrices.
Then, . Now, recall that [\det(Id) = \det(P)\det(P^{-1})[/tex], where stands for the identity matrix. But , thus and are reciprocal to each other.
Hence,
b) Let us write and . Then
But the product of two diagonal matrices is commutative, so , from where the statement readily follows.
Step-by-step explanation: