subject
Mathematics, 18.07.2020 22:01 shayambros

Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean µ= 136 days and standard deviation σ = 14 days. Required:
a. What is the probability that a randomly selected pregnancy lasts less than 201 days?
b. What is the probability that a random sample of 16 preganacies has a mean geatation period of 201 days or less?
c. What is the probability that a random sample of 37 preganacies has a mean geatation period of 201 days or less?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Which graph corresponds to the function f(x) = x2 + 4x – 1?
Answers: 1
question
Mathematics, 21.06.2019 18:00
Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?
Answers: 3
question
Mathematics, 22.06.2019 00:00
Apolygon is shown on the graph: a polygon is shown on the coordinate plane. vertices are located at 3 comma 5, 1 comma 3, 1 comma 1, 2 comma 0, 4 comma 0, 5 comma 1, and 5 comma 3. what effect will a translation 3 units down and 2 units left have on the polygon? be sure to address how it could impact the angles, side lengths, and congruency between the original pre-image and the image. xd i need
Answers: 3
question
Mathematics, 22.06.2019 00:30
The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase
Answers: 1
You know the right answer?
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed wi...
Questions
question
Chemistry, 06.11.2020 23:20
question
History, 06.11.2020 23:20
question
Chemistry, 06.11.2020 23:20
question
Spanish, 06.11.2020 23:20