1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jasenka [17]
2 years ago
11

Weights of four-year-olds are Normally distributed, with a mean of 40 pounds and a standard deviation of 1.3 pounds. At his four

-year checkup, Marlon’s weight is measured to be greater than 30% of boys his age. How much does Marlon weigh?
SAT
1 answer:
TiliK225 [7]2 years ago
7 0

Answer:

40.7 pounds

Explanation:

Given that:

Mean, m = 40

Standard deviation, σ = 1.3

Weight greater than 30% = 0.3

P(x > Z) = 0.3

Z = (x - m) / σ

P(x > Z) = 0.3

Z = 0.524 ( Z probability calculator)

Hence,

0.524 = (x - 40) / 1.3

0.524 * 1.3 = x - 40

0.6812 = x - 40

x = 0.6812 + 40

x = 40.6812

x = 40.7

Hence, Marlon weighs about 40.7

You might be interested in
Use the chart to multiply the binomial by the trinomial. What is the product? y3 + 27 y3 – 27 y3 – 6y2 + 27 y3 + 6y2 + 27.
katrin2010 [14]
Answer
\((y + 3) (y^{2} - 3 y + 9) V)





Explanation


Explanation
Detail ste
Apply \(a^3\pm b^3=(a\pm b)(a^2\ mp ab+b^2)V : \((y + 3) (y^[2} - y \times 3 + 3^{2}) V
Multiply the monomials: \((y + 3) (y^{2} -3y + 3^{23) V
Calculate the power: \((y + 3) (y^{2} - 3 y + 9) V
7 0
2 years ago
Why might it be adaptive for stomata to occur mostly (if not entirely) on the undersides of leaves?
adoni [48]

Answer:

because they will recieve less sunlight therefore water will be losed at a slower rate,water does not evaporate as quickly, which allows for transpiration to occur.

Explanation:

(✷‿✷)

6 0
3 years ago
What is the capital city of nepal<br> nepal<br> nepal<br> nepal<br> nepal<br> nepal
asambeis [7]

Answer:

kathmandu is the capital of Nepal.

7 0
2 years ago
Read 2 more answers
Which of the following tasks would best provide practice for automating letter recognition in kindergarteners
arlik [135]

Tracing a model following numbered arrows on lined paper will best provide practice for automating letter recognition in kindergartners.

<h3>Who is a Kindergartners?</h3>

These are referred to as the group of children between the ages of 4 and 6 years old who attend kindergarten as a way of preparing them for nursery school. These individuals usually have a high sense of inquisitiveness and are fast learners especially when images are used to teach them about various topics in schools or at home.

Practices for letter recognition should be done with the use of tracing the models as it serves as a very important pre-writing activity and serves as the foundation of learning which helps to ensure that adequate knowledge of certain things are achieved.

Read more about Kindergartners here brainly.com/question/9797259

#SPJ1

8 0
2 years ago
Free 100 points have a good day!
sweet [91]
<h3>Answer:</h3>

Thank you so much

<h3>Explanation:</h3>

8 0
3 years ago
Read 2 more answers
Other questions:
  • The Occupational Safety and Health Administration requires employers to provide fall protection to construction workers who are
    10·1 answer
  • Which of the following performance scores will be considered when you apply to college
    12·1 answer
  • Listed below are prices in dollars for one night at different hotels in a certain region. Find the​ range, variance, and standar
    5·1 answer
  • Two angles of an isosceles triangle measure 70°
    9·2 answers
  • NEEEEEDDDD HELLLLPPPPP PLEASEEEEEE!!!!! I will mark brainiest!!!!!
    13·2 answers
  • According to the article, WHY did scientists suspect that climate change would affect Australia first?
    10·1 answer
  • Unlike acceleration and velocity, speed is not a quantity that accounts for —
    10·1 answer
  • The lawmaking responsibility of the members of the house is to.
    12·1 answer
  • The carbon cycle, closely related to the cycling of oxygen throughout the environment, is tied to which of the following process
    6·1 answer
  • Listed following are several objects in the solar system. Rank these objects from left to right based on their distance from the
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!