subject
Mathematics, 09.05.2021 04:30 HelloPeps

In a survey, 29 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $30.8 and standard deviation of $13.6. Estimate how much a typical
parent would spend on their child's birthday gift (use a 90% confidence level). Give your answers to 3
decimal places.
Fxpress your answer in the format of 2 + E.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:40
Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.
Answers: 2
question
Mathematics, 21.06.2019 19:30
Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.
Answers: 1
question
Mathematics, 21.06.2019 20:00
Find the solution of each of the following.
Answers: 1
question
Mathematics, 21.06.2019 21:30
Having a hard time understanding this question (see attachment).
Answers: 2
You know the right answer?
In a survey, 29 people were asked how much they spent on their child's last birthday gift. The resul...
Questions
question
Mathematics, 17.10.2019 03:00
question
Mathematics, 17.10.2019 03:00
question
Chemistry, 17.10.2019 03:00
question
Mathematics, 17.10.2019 03:00
Questions on the website: 13722367