$\mathbb P(X\ge1)=1-\mathbb P(X=0)$

The probability of getting 0 heads in 4 tosses (or equivalently, 4 tails) is $\dfrac1{2^4}=\dfrac1{16}$ .

So the desired probability is

$1-\dfrac1{16}=\dfrac{15}{16}$

7 0

3 years ago

The purchase price of a camcorder is $850. What is the total price if the sales tax rate is 6.5%?

damaskus [11]

Answer:

$905.25

Step-by-step explanation:

6.5% of $850 is $55.25. You add $55.25 to $850 to get the total price.

5 0

2 years ago

Read 2 more answers

Marissa counted 29 coins in her change purse which contained, d, dimes and, q, quarters. The value of the coins is $5.00. How ma

avanturin [10]

Answer:

i think the rubber ducky in the bath died on the celling so she was happy and then there was a puddle of tears on the ground so thats why u should never go to school

Step-by-step explanation:

4 0

2 years ago