The numbers of beads on 500 handcrafted bead

1 answer:

7 0

The numbers of beads on 500 handcrafted bead necklaces follow a normal distribution whose mean is 24 beads and standard deviation is 4 beads.
so....
About 24 necklaces have more than 28 beads. 
About 48 necklaces have more than 28 beads. 
About 80 necklaces have more than 28 beads. 
About 96 necklaces have more than 28 beads

 About 80 necklaces have more than 28 beads.

Z score is 28-24/4=1
(1-.8413)=0.1587

500*0.1587=79.35~80

i did this like 2 or 3 years ago .

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Alan buys 5.3 ounces of sour patch kids candy. After sharing with his friends he returns to buy an additional 6.75 ounces. How m

Natasha_Volkova [10]

Answer:

Alan buys 12.05 ounces of sour patch kids candy in all.

Step-by-step explanation:

We are given that Alan buys 5.3 ounces of sour patch kids candy. After sharing with his friends he returns to buy an additional 6.75 ounces.

And we have to find the total ounces he buys in all.

As we know that for finding the total quantity or amount, we will use addition for calculating it.

Firstly, Alan buys = 5.3 ounces of sour patch kids candy

Additional ounces of sour patch kids candy Alan buys = 6.75

So, the total ounces of sour patch kids candy he buys in all = 5.3 + 6.75