Tyrell is gearing up for the football season and decides to purchase some items online. he has a promotional code for a one time $10 off any purchase of $50 or more. tyrell orders 2 new jerseys at $32.89 each and a hat for $23.99. tyrell pays 7% sales tax on his purchase, but pays no shipping charges. what is the total of tyrell’s online purchase? a. $50.16 b. $79.77 c. $85.35 d. $96.05

Option c. $85.35.

Step-by-step explanation:

Tyrell orders 2 new jerseys at = $32.89

32.89 × 2 = $65.78

A hat = $23.99

Total purchase = $ 65.78 + $23.99 = $89.77

Tyrell has a promotional code for a one time $10 off.

After using promotional code = $89.77 - $10.00 = $79.77

Adding 7% sales tax on his purchase = (7% of 79.77) + 79.77

= (0.07 × 79.77) + 79.77

= 5.58 + 79.77 = $85.35

Tyrell's online purchase cost $85.35.

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step-by-step explanation:

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the answer   is 200

step-by-step explanation:

this is a problem about poisson probabilities.   i don't know if you've

already studied poisson distributions, or if you have a place to look

to read more about the subject.  

here's how you can see a poisson distribution coming.   when there are

a lot of events that may happen at any time (or any place), and when

you're counting how many of them happen at a particular time (or a

particular place), and each event is independent of the others, then

the result is a poisson distribution.   this is roughly true for the

chocolate chips; one chip being in a cookie has only a small effect on

the probability that another chip will be in the cookie.

once you know you have a poisson distribution, you know a lot.   there

is only one parameter to a poisson distribution, so if you know the

mean, you know everything.   the form of the distribution is

  probability of n chips = {[e^(-x)]*(x^n)} / (n! )