Mathematics, 06.04.2021 05:40 sierram298
A toy manufacturer wants to know how many new toys children buy each year. Assume a previous study found the standard deviation to be 1.5. She thinks the mean
is 6.9 toys per year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.1 at the 80 % level of confidence? Round your
answer up to the next integer.
Answers: 1
Mathematics, 21.06.2019 17:00
Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.
Answers: 1
Mathematics, 21.06.2019 19:00
Define multiplicative inverse. give an example of a number and its multiplicative inverse.
Answers: 1
Mathematics, 21.06.2019 19:00
Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.
Answers: 1
Mathematics, 21.06.2019 23:30
Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?
Answers: 1
A toy manufacturer wants to know how many new toys children buy each year. Assume a previous study f...
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