Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

6.A second species of extra-terrestrial has a mean height of 71cm and a standard deviation of 5.3cm. An astrobiologist discovers that 30% of the extra-terrestrials

6.A second species of extra-terrestrial has a mean height of 71cm and a standard deviation of 5.3cm. An astrobiologist discovers that 30% of the extra-terrestrials bump their heads when they enter their spacecraft. What is the height of the door to the spacecraft?(6marks)

7.In Bayfield, Ontario 65% of residents read theBayfield Breeze, a local online blog. Dennis wants to know what people think of the blog, so he stops 40 people on the street to ask them if they read it.

a)Verify that the normal distribution can be used to approximate this situation.(3marks)

b)What is the mean and standard deviation of the number of people who read the Breeze?(3marks)

c)What is the probability that at least 25 of the people he surveys read the blog?(3marks)

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Calculus Early Transcendentals, Multivariable

Authors: Michael Sullivan, Kathleen Miranda

2nd Edition

131924288X, 9781319242886

More Books

Students also viewed these Mathematics questions

Question

Show that for an ideal gas Cp=Cv+R

Answered: 1 week ago

Question

Design a training session to maximize learning. page 296

Answered: 1 week ago

Question

Design a cross-cultural preparation program. page 300

Answered: 1 week ago