Answer:
x = 62.9° (3 sig. fig.)
Step-by-step explanation:
Simply by using the cos law,
cosx = (1.3² + 2.1² - 1.9²)/2(1.3)(2.1)
x = 62.9° (3 sig. fig.)
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)
Answer:
can you explan it more
Step-by-step explanation:
Answer B) is the correct answer