Mathematics, 01.12.2020 06:40 FailingstudentXD

To maintain their physical fitness, Americans are exercising more than ever in a variety of ways. Bradley and Robbins interviewed many Americans to determine how the were exercising. In How American Exercise, they present the
following: 53% jog, 44% swim, 46% cycle, 18% jog and swim, 15% swim and cycle, 17% jog and cycle, and 7% jog, swim, and
cycle. If an American who exercises regularly is randomly selected, what is the probability that the person either jogs,
swims or cycles to maintain physical fitness?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 12:30

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

Answers: 1

Answer

Mathematics, 22.06.2019 00:30

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Answers: 2

Answer

Mathematics, 22.06.2019 01:30

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?

Answers: 2

Answer

Mathematics, 22.06.2019 02:00

Jared had 3/7 of the minutes on a family phone plan remaining for the month. the plan is shared by 2 people. if divided equally what portion of the minutes remaining on the phone plan would be avalible for each person

Answers: 1

Answer

You know the right answer?

To maintain their physical fitness, Americans are exercising more than ever in a variety of ways. Br...

Questions

Mathematics, 23.09.2019 03:20

Write the equation of a line parallel and perpendicular to the given line and passing through (1, -1), y=2/5x-3...