Mathematics, 12.12.2021 20:20 skeletonorchestra
A city planner is studying the need for affordable housing in the city's Urban Planning Department. She learned from the census of all 65,489 households in the
city that the median family income is $45,000, with an average of 3.1 persons-per-household, and 79% live in a single household unit. Previously, the planner
had surveyed a group of 300 randomly selected households in the city. The surveyed households had a median family income of $39,000, an average of 3.8
persons-per-household, and 83% lived in a single household unit.
Answers: 3
Mathematics, 21.06.2019 17:40
The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?
Answers: 2
Mathematics, 21.06.2019 20:20
Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?
Answers: 1
Mathematics, 21.06.2019 22:10
Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt
Answers: 1
A city planner is studying the need for affordable housing in the city's Urban Planning Department....
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