Answer:
The probability that a shopper buys shoes and a book is 0.015
Step-by-step explanation:
we are given
The probability that a shopper buys shoes is 0.15
so, we have

The probability that a shopper buys a book is 0.10
so, we have

the probability that a shopper buys shoes and a book can be written as
p(s∩b)
we are given that
s and b are independent
so,
p(s∩b)
now, we can plug values
p(s∩b)
p(s∩b)
Y=(-x)^3-4 the last one hope this helped on time!! If u ever need help with this u can use the desomos calculator it’s perfect for graphing good luck!
The minimum value of the function is (-4, -9).
You would have to estimate this and a rough estimate would be around 240