Mathematics, 10.10.2019 08:30 cuavang55
Three baseball fans estimated the top speed of a baseball pitcher’s fastball. the table shows their estimates. the top speed of the pitcher’s fastball is known to be 102 mph. which statements are true?
name speed guessed (mph)
lisa 97
justin 93
mohammed 105
choose exactly two answers that are correct.
a.
justin’s estimate had a lower percent error than lisa’s.
b.
mohammed’s estimate had the lowest percent error.
c.
lisa’s estimate had about a 4.9% error.
d.
justin’s estimate had a –9% percent error.
Answers: 1
Mathematics, 21.06.2019 13:20
Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.
Answers: 2
Mathematics, 21.06.2019 17:00
The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?
Answers: 1
Mathematics, 21.06.2019 21:20
Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)
Answers: 3
Three baseball fans estimated the top speed of a baseball pitcher’s fastball. the table shows their...
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