Mathematics, 23.04.2021 19:50 lackin2056
Elena wants to have an average of at least 90 on her tests. If she took three tests and
earned scores of 94, 92 and 79, what is the lowest score on the fourth test she has to earn
to achieve her goal?
a) 92
b) 88
c) 94
d) 95
Answers: 1
Mathematics, 21.06.2019 14:00
An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter
Answers: 1
Mathematics, 21.06.2019 15:20
(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *β¦ 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, β¦., 1+2+3+β¦ + 99, and 1+2+3+β¦ + 100
Answers: 1
Mathematics, 21.06.2019 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Elena wants to have an average of at least 90 on her tests. If she took three tests and
earned sco...
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