Mathematics, 05.05.2020 19:11 Wolfgirl2032
The life span of a battery is the amount of time the battery will last. The distribution of life span for a certain type of battery is approximately normal with mean 2.5 hours and standard deviation 0.25 hour. Suppose one battery will be selected at random. Which of the following is closest to the probability that the selected battery will have a life span of at most 2.1 hours?A:0.055B: 0.110C: 0.445D: 0.890E: 0.945
Answers: 1
Mathematics, 22.06.2019 00:00
If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9
Answers: 1
Mathematics, 22.06.2019 00:20
G. how many different 6-letter arrangements can be formed using the letters in the word absent, if each letter is used only once? a. 6 b. 36 c. 720 d. 46,656
Answers: 1
Mathematics, 22.06.2019 03:30
Sera sells t-shirts at the beach. she believes the price of a t-shirt and the number of t-shirts sold are related. she has been experimenting with different prices for the t-shirts. she has collected a data set with five pairs of data; each consists of the price of a t-shirt and the number of shirts sold. the independent variable, which will go on the x-axis, is . the dependent variable, which will go on the y-axis, is the
Answers: 3
The life span of a battery is the amount of time the battery will last. The distribution of life spa...
English, 09.11.2019 20:31
Computers and Technology, 09.11.2019 20:31
Mathematics, 09.11.2019 20:31
Mathematics, 09.11.2019 20:31
History, 09.11.2019 20:31
Mathematics, 09.11.2019 20:31
Mathematics, 09.11.2019 20:31
Biology, 09.11.2019 20:31
English, 09.11.2019 20:31
Mathematics, 09.11.2019 20:31
Mathematics, 09.11.2019 20:31
English, 09.11.2019 20:31