Mathematics, 09.04.2020 17:27 ineedhelp2285

Zane claims that 85% of his contacts have a phone number with a local area code. He has 225 contacts in his phone. He makes 5 samples by randomly choosing 20 contacts and records whether the number has a local area code or non-local area code in the table. Is Zane's claim supported by the data?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:40, TheLuciferOG4558

Acircle has a circumference of 28.36 units what is the diameter of the circle

Answers: 2

continue

Mathematics, 21.06.2019 20:30, elenaabad18

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Answers: 2

continue

Mathematics, 21.06.2019 20:30, raquelqueengucci25

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Answers: 1

continue

Mathematics, 21.06.2019 21:30, LEXIEXO

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Answers: 2

continue

You know the right answer?

Zane claims that 85% of his contacts have a phone number with a local area code. He has 225 contacts...

Questions in other subjects:

History, 26.10.2021 09:30

Use the excerpt from George Washington’s letter to Robert Stewart to answer the question. In his letter, Washington summarizes activities taking place because of which event and fo...

Biology, 26.10.2021 09:30

Heres another 100 TO who ever can frfr help...

History, 26.10.2021 09:30

Describe the various levels of tolerance that Christians faced...

Mathematics, 26.10.2021 09:30

Help me please (photo attached) ...

Mathematics, 26.10.2021 09:30

Write each equation in slope intercept form. underline the slope and circle the y intercept in each equation 5x + 3y = 30...

English, 26.10.2021 09:30

Re order : When/ to wellness/ hospitals / are still/ a patient / sure they/ stay on/ is discharged,/ the path/ responsible/ for making...

Chemistry, 26.10.2021 09:30

Why does the reactivity of metals increase from right to left on the periodic table? (1 point) Metals on the right have more valence energy levels, so the ability of the nucleus...

Mathematics, 26.10.2021 09:30

Based on the graph, which inequality is correct for a number that is to the ight of -4? HHH+0+ ++ -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 干 (4 poi...

Mathematics, 26.10.2021 09:30

Emily has a piggy bank that contains 30 coins in dimes and nickels. Their combined value is $2.10. How many coins of each kind are there?...

Mathematics, 26.10.2021 09:30

Geometry words graphs...

More questions: Mathematics Another questions