Mathematics, 03.01.2020 07:31 hjlhdjfhjh
Every thursday, matt and dave's video venture has "roll-the-dice" day. a customer may choose to roll two fair dice and rent a second movie for an amount (in cents) equal to the numbers uppermost on the dice, with the larger number first. for example, if the customer rolls a two and a four, a second movie may be rented for $0.42. if a two and a two are rolled, a second movie may be rented for $0.22. let x represent the amount paid for a second movie on roll-the-dice day. the expected value of x is $0.47 and the standard deviation of x is $0.15.if a customer rolls the dice and rents a second movie every thursday for 30 consecutive weeks, what is the approximate probability that the total amount paid for these second movies will exceed $15.00?
a. 0.91
b. 0.09
c. 0.14
d. 0.86
Answers: 2
Mathematics, 21.06.2019 18:00
Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.
Answers: 3
Mathematics, 21.06.2019 18:30
Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.
Answers: 2
Mathematics, 21.06.2019 21:30
Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?
Answers: 2
Mathematics, 21.06.2019 21:30
Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50
Answers: 3
Every thursday, matt and dave's video venture has "roll-the-dice" day. a customer may choose to roll...
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