Probability
Linear Algebra 1
Scatterplots
Interest
Have you been paying attention?!
100

What are the 5 words we use in our therefore statements when describing probability?

impossible, unlikely, even chance, likely and certain

100

Miss C to show picture

100

What type of correlation can we have?
(hint: what direction, strength and shape?)

positive, negative, no correlation

strong, moderate, weak
linear and non-linear

100
What is the formula to find the interest and the formula for the amount for Simple Interest

I=Prt and A=P+I

100

What type of dog does Miss Cresswell have?

A dalmatian

200

Determine the probability of rolling an odd number on a 6-sided die

1/2 - even chance
200

Draw a Cartesian Plane and Label the Quadrants

200

Describe the correlation of the following:
Miss C to show photo

200

The formula for compound interest is A=P(1+r)^n. What do all the letter stand for?

A=total amount

P=principal
r=rate as a decimal
n= number of years

200

Where is Miss Cresswell (and Mrs Taylor!) from originally? Bonus points if you narrow down to a major city near this!

England - Birmingham

300

 A bag of clothes contains 4 pairs of shorts, 8 pairs of shoes and 6 caps. Calculate the probability (and represent in simplest form) of selecting a:

a) Cap

b) Not a pair of shorts

c) A cap or a pair of shorts

a) 1/3

b) 7/9

c) 5/9

300

Miss C to draw 2 lines

State if the lines have a positive, negative, zero or undefined gradient

300

Describe the correlation of the following:
Miss C to show photo

300

Calculate the interest if $500 is gaining simple interest at a rate of 4% over 3 years.

$60 interest

300

What is the name of the teacher who had you on Monday for class?!

Mr Foster
400

Determine the probability of landing on two Heads if you toss two coins

1/4

400
Calculate the gradient of the following graph:

Miss C to show picture.

400

Create a scatteplot of the following data
Miss C to show photo

400
Calculate the total amount if $200 is put in simple interest with 10% p.a over 5 years.

I= $100

A= $300

400

How many students are in our class (not just today but on our roll!)

25 students

500

PICTURE 1 - Miss C to show image

a) 1/6

b) 1/6

c) 4/6

500

Identify the y-intercept and gradient of the following lines:

  • y=3x+2
  • y=-2x-3

a) gradient = 3, y-intercept =2

b) gradient = -2, y-intercept=-3

500

Create a scatterplot

*Miss C to show photo

500

Calculate the total amount if $400 is placed in compound interest over 18 months on 3.5%p.a

A=$421.18

500

What is Miss Cresswell's favourite colour?!

Yellow

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