Mrs. Lopez had $150.55 in her checking account. She wrote checks for the following amounts: $45.76, $35.82, and $79.00. What is
2 answers:
You might be interested in
Let's solve for x ~
・ ．━━━━━━━†━━━━━━━━━．・
Answer:
a) 0.9
b) Mean = 1.58
Standard Deviation = 0.89
Step-by-step explanation:
We are given the following in the question:
A marketing firm is considering making up to three new hires.
Let X be the variable describing the number of hiring in the company.
Thus, x can take values 0,1 ,2 and 3.
a) P(firm will make at least one hire)
Also,
b) expected value and the standard deviation of the number of hires.