Mathematics, 26.05.2021 22:20 PrincessIndia
A large home improvement store is considering expanding its selection of moving products, such as cardboard boxes
and packing tape. The store constructs a 90% confidence interval to estimate the proportion of all customers who have
moved houses at least once in the last five years. In the random sample of 620 customers, 201 (32.4%) replied that
they had moved at least once in the last five years. The sample yielded the 90% confidence interval (0.293, 0.355) for
the proportion of all customers who have moved in the past five years. Sheldon, an employee who wishes to expand
the selection of moving products, claims that more than 1 in 4 customers have moved in the past five years. Zachary,
another employee, urges Sheldon to be bolder in his claim and say that more than 1 in 3 customers have moved in the
past five years. Based on the confidence interval, which employee's claim is plausible?
Sheldon's claim is plausible, but Zachary's is incorrect.
O Both Sheldon and Zachary have made plausible claims.
O Sheldon's claim is incorrect, but Zachary's claim is correct.
O Sheldon's claim is plausible, but it is not certain that Zachary's is plausible.
Answers: 1
Mathematics, 21.06.2019 14:30
Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition
Answers: 3
Mathematics, 21.06.2019 15:30
What is the value of x? enter your answer in the box. photo attached.
Answers: 2
A large home improvement store is considering expanding its selection of moving products, such as ca...
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