Top answers

All subjects
All levels

What is a type 1 error? Explain why psychologists use the significance level of 0.05 in research (3 marks)

A type 1 error arises when after an experiment, the null hypothesis is rejected even when it is true and the alternative hypothesis is accepted. This can be referred to as a false positive as a significan...

SW
Answered by Sophie W. Psychology tutor
10703 Views

Expand and simplify (x+5)(x+7)

Front - Outer -Inner -Last (FOIL)
x X x = x^2x X 7 = 7x 5 X x = 5x5 X 7 = 35
7x + 5x = 12x
x^2 + 12x + 35

EM
Answered by Ellie M. Maths tutor
11001 Views

Describe the acute effects of high altitude on the cardiovascular and respiratory systems

Decreased partial pressure of O2 in the air means that the diffusion gradient between the alveoli and surrounding capillaries is reduced. Hence there’s a decreased haemoglobin and oxygen association in th...

EM
1917 Views

Explain how a leaf is adapted for photosynethesis

A large surface area for gaseous exchangea waxy cuticle prevents water lossthe spongy mesophyll layer has air spaces which allow for efficient gasious exchange Stomata allow gases to enter and exit the le...

EM
Answered by Ellie M. Biology tutor
2471 Views

Explain why creating a list of several instances of one element using something like my_list = [a] * 5 can result in strange behaviour

A good example for this would be>>> a = [0]>>> l = [a] * 5>>> l[[0], [0], [0], [0], [0]]>>> l[0][0] = 1>>> l[[1], [1], [1], [1], [1]]
You can see how crea...

GM
Answered by Gustas M. Python tutor
1304 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences