Mathematics, 08.04.2020 01:48 ramireznaidelyn
The age of the children in kindergarten on the first day of school is uniformly distributed between 4.8 and 5.8 years old. A first time kindergarten child is selected at random. Round all answers to two decimal places.
1. The mean of the distribution is
a. 5.4
b. 5.2
c. 5.3
d. 5.5
2. The standard deviation is
a. 0.194
b. 0.289
c. 0.333
d. 0.261
3. The probability that the child will be older than 5 years old is
a. 0.3
b. 0.8
c. 0.2
d. 0.7
4. The probability that the child will be between 5.2 and 5.7 years old is.
a. 0.6
b. 0.7
c. 0.8
d. 0.5
5. If such a child is at the 45th percentile, how old is that child?
a. 5.25
b. 5
c. 4.75
d. 5.5
Answers: 3
Mathematics, 21.06.2019 16:30
Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?
Answers: 3
Mathematics, 21.06.2019 17:30
Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression
Answers: 1
Mathematics, 21.06.2019 20:20
Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. identify the domain for each of the given functions.
Answers: 1
Mathematics, 21.06.2019 21:00
Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.
Answers: 1
The age of the children in kindergarten on the first day of school is uniformly distributed between...
Mathematics, 12.10.2019 21:30
Biology, 12.10.2019 21:30
Mathematics, 12.10.2019 21:30
English, 12.10.2019 21:30
Mathematics, 12.10.2019 21:30
Social Studies, 12.10.2019 21:30
English, 12.10.2019 21:30
Mathematics, 12.10.2019 21:30
Mathematics, 12.10.2019 21:30
Mathematics, 12.10.2019 21:30